Fatto generale: 47700 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 47700 is an uninteresting number.
Trivia: 47700 is an uninteresting number.
Data storica: August 6th is the day in 1942 that Queen Wilhelmina of the Netherlands becomes the first reigning queen to address a joint session of the United States Congress.