Hecho matemático: 7614 is a value of n for which n and 7n together use each digit 1-9 exactly once.
Trivia: 7614 is a boring number.
Fecha histórica: November 4th is the day in 1993 that a China Airlines Boeing 747 overruns Runway 13 at Hong Kong's Kai Tak International Airport while landing during a typhoon, injuring 22 people.