87173704 has 16 divisors (see below), whose sum is σ = 164455920. Its totient is φ = 43318800.

The previous prime is 87173701. The next prime is 87173707. The reversal of 87173704 is 40737178.

It is an interprime number because it is at equal distance from previous prime (87173701) and next prime (87173707).

It is not an unprimeable number, because it can be changed into a prime (87173701) 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, 32122 + ... + 34729.

It is an arithmetic number, because the mean of its divisors is an integer number (10278495).

Almost surely, 2^87173704 is an apocalyptic number.

It is an amenable number.

87173704 is a deficient number, since it is larger than the sum of its proper divisors (77282216).

87173704 is a wasteful number, since it uses less digits than its factorization.

87173704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67020 (or 67016 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 87173704 is about 9336.6859216748. The cubic root of 87173704 is about 443.3994667706.

It can be divided in two parts, 8717 and 3704, that added together give a palindrome (12421).

The spelling of 87173704 in words is "eighty-seven million, one hundred seventy-three thousand, seven hundred four".