63872532 has 36 divisors (see below), whose sum is σ = 162076096. Its totient is φ = 21209040.

The previous prime is 63872521. The next prime is 63872533. The reversal of 63872532 is 23527836.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63872533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6483 + ... + 13029.

Almost surely, 2^63872532 is an apocalyptic number.

It is an amenable number.

63872532 is an abundant number, since it is smaller than the sum of its proper divisors (98203564).

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

63872532 is a wasteful number, since it uses less digits than its factorization.

63872532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828 (or 6823 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 63872532 is about 7992.0292792256. The cubic root of 63872532 is about 399.7342651683.

The spelling of 63872532 in words is "sixty-three million, eight hundred seventy-two thousand, five hundred thirty-two".