Fatto generale: 32 is the number of completed, numbered piano sonatas by Ludwig van Beethoven.
Fatto matematico: 32 is the smallest number n with exactly 7 solutions to the equation φ(x) = n. It is also the sum of the totient function for the first ten integers.
Trivia: 32 is the number of brains a leech has.
Data storica: February 1st is the day in 1968 that the New York Central Railroad and the Pennsylvania Railroad are merged to form the ill-fated Penn Central Transportation.