Fait mathématique: 74407 is an unremarkable number.
Culture générale: 74407 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: September 20th is the day in 1737 that the finish of the Walking Purchase which forces the cession of 1.2 million acres (4,860 km²) of Lenape-Delaware tribal land to the Pennsylvania Colony.