Hecho general: 75428 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 75428 is an unremarkable number.
Trivia: 75428 is a boring number.
Fecha histórica: July 7th is the day in 1997 that the Turkish Armed Forces withdraw from northern Iraq after assisting the Kurdistan Democratic Party in the Iraqi Kurdish Civil War.