Fatto generale: 4237 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 4237 is the number of ordered sequences of coins totaling 30 cents.
Trivia: 4237 is an uninteresting number.
Data storica: August 7th is the day in 1794 that U.S. President George Washington invokes the Militia Law of 1792 to suppress the Whiskey Rebellion in western Pennsylvania.