87604572 has 48 divisors (see below), whose sum is σ = 225235584. Its totient is φ = 26280000.

The previous prime is 87604571. The next prime is 87604589. The reversal of 87604572 is 27540678.

It is a super-2 number, since 2×87604572² = 15349122070606368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87604572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87604571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10047 + ... + 16617.

It is an arithmetic number, because the mean of its divisors is an integer number (4692408).

Almost surely, 2^87604572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87604572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112617792).

87604572 is an abundant number, since it is smaller than the sum of its proper divisors (137631012).

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

87604572 is a wasteful number, since it uses less digits than its factorization.

87604572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6690 (or 6688 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 87604572 is about 9359.7314064026. The cubic root of 87604572 is about 444.1287874108.

The spelling of 87604572 in words is "eighty-seven million, six hundred four thousand, five hundred seventy-two".