87732725 has 12 divisors (see below), whose sum is σ = 108906720. Its totient is φ = 70110000.

The previous prime is 87732719. The next prime is 87732737. The reversal of 87732725 is 52723778.

It is not a de Polignac number, because 87732725 - 2¹² = 87728629 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37850 + ... + 40100.

It is an arithmetic number, because the mean of its divisors is an integer number (9075560).

Almost surely, 2^87732725 is an apocalyptic number.

It is an amenable number.

87732725 is a deficient number, since it is larger than the sum of its proper divisors (21173995).

87732725 is a wasteful number, since it uses less digits than its factorization.

87732725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3815 counting only the distinct ones).

The product of its digits is 164640, while the sum is 41.

The square root of 87732725 is about 9366.5748809263. The cubic root of 87732725 is about 444.3452475954.

The spelling of 87732725 in words is "eighty-seven million, seven hundred thirty-two thousand, seven hundred twenty-five".