63432920 has 32 divisors (see below), whose sum is σ = 144860400. Its totient is φ = 24993408.

The previous prime is 63432907. The next prime is 63432959. The reversal of 63432920 is 2923436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9155 + ... + 14514.

Almost surely, 2^63432920 is an apocalyptic number.

It is an amenable number.

63432920 is an abundant number, since it is smaller than the sum of its proper divisors (81427480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63432920 is a wasteful number, since it uses less digits than its factorization.

63432920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23747 (or 23743 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 63432920 is about 7964.4786395595. The cubic root of 63432920 is about 398.8150766912.

The spelling of 63432920 in words is "sixty-three million, four hundred thirty-two thousand, nine hundred twenty".