General fact: 66747 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 66747 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 66747 is an uninteresting number.
Historical date: September 29th is the day in 1949 that the Communist Party of China writes the Common Programme for the future People's Republic of China.