Fatto generale: 67571 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 67571 is a boring number.
Trivia: 67571 is a boring number.
Data storica: December 31st is the day in 1999 that Boris Yeltsin, the first president of Russia, resigns as President of Russia, leaving Prime Minister Vladimir Putin as the acting President.