Fatto generale: 474 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 474 is a member of the Fibonacci-type sequence starting with 1 and 8.
Trivia: 474 is an unremarkable number.
Data storica: April 18th is the day in 1961 that CONCP is founded in Casablanca as a united front of African movements opposing Portuguese colonial rule.