32158072 has 16 divisors (see below), whose sum is σ = 60357240. Its totient is φ = 16062816.

The previous prime is 32158043. The next prime is 32158073. The reversal of 32158072 is 27085123.

It is a self number, because there is not a number n which added to its sum of digits gives 32158072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32158073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12618 + ... + 14950.

Almost surely, 2^32158072 is an apocalyptic number.

It is an amenable number.

32158072 is a deficient number, since it is larger than the sum of its proper divisors (28199168).

32158072 is a wasteful number, since it uses less digits than its factorization.

32158072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062 (or 4058 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 32158072 is about 5670.8087606619. The cubic root of 32158072 is about 318.0021096072.

The spelling of 32158072 in words is "thirty-two million, one hundred fifty-eight thousand, seventy-two".