Fatto generale: 63769 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 63769 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 63769 is a boring number.
Data storica: August 4th is the day in 1974 that a bomb explodes in the Italicus Express train at San Benedetto Val di Sambro, Italy, killing 12 people and wounding 22.