Fait général: 7405 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 7405 is an uninteresting number.
Culture générale: 7405 is a boring number.
Date historique: April 9th is the day in 1947 that the Journey of Reconciliation, the first interracial Freedom Ride begins through the upper South in violation of Jim Crow laws.