87432304 has 20 divisors (see below), whose sum is σ = 170640864. Its totient is φ = 43395968.

The previous prime is 87432299. The next prime is 87432313. The reversal of 87432304 is 40323478.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17752 + ... + 22135.

Almost surely, 2^87432304 is an apocalyptic number.

It is an amenable number.

87432304 is a deficient number, since it is larger than the sum of its proper divisors (83208560).

87432304 is a wasteful number, since it uses less digits than its factorization.

87432304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40032 (or 40026 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 87432304 is about 9350.5242633769. The cubic root of 87432304 is about 443.8374807626.

The spelling of 87432304 in words is "eighty-seven million, four hundred thirty-two thousand, three hundred four".