87175072 has 24 divisors (see below), whose sum is σ = 172452672. Its totient is φ = 43377600.

The previous prime is 87175057. The next prime is 87175079. The reversal of 87175072 is 27057178.

It is not an unprimeable number, because it can be changed into a prime (87175079) 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, 297 + ... + 13207.

It is an arithmetic number, because the mean of its divisors is an integer number (7185528).

Almost surely, 2^87175072 is an apocalyptic number.

It is an amenable number.

87175072 is a deficient number, since it is larger than the sum of its proper divisors (85277600).

87175072 is a wasteful number, since it uses less digits than its factorization.

87175072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13132 (or 13124 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 87175072 is about 9336.7591807864. The cubic root of 87175072 is about 443.4017861524.

The spelling of 87175072 in words is "eighty-seven million, one hundred seventy-five thousand, seventy-two".