Fatto matematico: 1738 is 6952 / 4, and this equation uses each digit 1-9 exactly once.
Trivia: 1738 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Data storica: October 3rd is the day in 52 BC that Vercingetorix, leader of the Gauls, surrenders to the Romans under Julius Caesar, ending the siege and Battle of Alesia.