74 (number)

74 (seventy-four) is the natural number following 73 and preceding 75.

In mathematics[]

74 is:

• the twenty-first distinct semiprime and the eleventh of the form 2×q.
• a palindromic number in bases 6 (202₆) and 36 (22₃₆).
• a nontotient.^[1]

There are 74 different non-Hamiltonian polyhedra with a minimum number of vertices.^[2]

In science[]

• The atomic number of tungsten

In astronomy[]

• Messier object M74, a magnitude 10.5 spiral galaxy in the constellation Pisces.
• The New General Catalogue object NGC 74, a galaxy in the constellation Andromeda.

In music[]

• Seventy-four, one of the Number Pieces by John Cage

In bus routes[]

In Chicago, "74" is the Fullerton bus which runs from Lincoln Park to Belmont Cragin.

London Buses route 74 is a Transport for London contracted bus route in London, England. Running between Baker Street station and Putney, it is operated by London General.

In other fields[]

Seventy-four is also:

• The year AD 74, 74 BC, or 1974
• Designates the 7400 series of Integrated Chips. 74xx xx=00-4538
• A seventy-four was a third-rate warship with 74 guns.
• The registry of the U.S. Navy's nuclear aircraft carrier USS John C. Stennis (CVN-74), named after U.S. Senator John C. Stennis
• A hurricane or typhoon is a system with sustained winds of at least 74 mph (64 knots).
• The number of the French department Haute-Savoie
• In the Bible it is the number of people that were in the presence of God on Mount Sinai and saw God without dying “Exodus 24:9-11”

References[]