Fatto generale: 974 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 974 is the number of multigraphs with 5 vertices and 10 edges.
Trivia: 974 is an uninteresting number.
Data storica: August 31st is the day in 1986 that the Soviet passenger liner Admiral Nakhimov sinks in the Black Sea after colliding with the bulk carrier Pyotr Vasev, killing 423.