87550074 has 24 divisors (see below), whose sum is σ = 190030932. Its totient is φ = 29131200.

The previous prime is 87550063. The next prime is 87550087. The reversal of 87550074 is 47005578.

87550074 is a `hidden beast` number, since 87 + 5 + 500 + 74 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 85433049 + 2117025 = 9243^2 + 1455^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6772 + ... + 14864.

Almost surely, 2^87550074 is an apocalyptic number.

87550074 is an abundant number, since it is smaller than the sum of its proper divisors (102480858).

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

87550074 is a wasteful number, since it uses less digits than its factorization.

87550074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8702 (or 8699 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 87550074 is about 9356.8196519971. The cubic root of 87550074 is about 444.0366721597.

The spelling of 87550074 in words is "eighty-seven million, five hundred fifty thousand, seventy-four".