Fatto generale: 7477 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 7477 is an uninteresting number.
Trivia: 7477 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: June 20th is the day in 1895 that the Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.