87264572 has 12 divisors (see below), whose sum is σ = 153381480. Its totient is φ = 43441296.

The previous prime is 87264563. The next prime is 87264577. The reversal of 87264572 is 27546278.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87264577) 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, 46718 + ... + 48549.

It is an arithmetic number, because the mean of its divisors is an integer number (12781790).

Almost surely, 2^87264572 is an apocalyptic number.

It is an amenable number.

87264572 is a deficient number, since it is larger than the sum of its proper divisors (66116908).

87264572 is a wasteful number, since it uses less digits than its factorization.

87264572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95500 (or 95498 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 87264572 is about 9341.5508348454. The cubic root of 87264572 is about 443.5534766366.

The spelling of 87264572 in words is "eighty-seven million, two hundred sixty-four thousand, five hundred seventy-two".