General fact: 74401 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 74401 is an unremarkable number.
Trivia: 74401 is an unremarkable number.
Historical date: September 14th is the day in 2008 that all 88 people on board Aeroflot Flight 821 are killed when the plane crashes on approach to Perm Airport.