87000474 has 32 divisors (see below), whose sum is σ = 190688256. Its totient is φ = 26243120.

The previous prime is 87000469. The next prime is 87000479. The reversal of 87000474 is 47400078.

It is an interprime number because it is at equal distance from previous prime (87000469) and next prime (87000479).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87000479) 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, 12079 + ... + 17885.

It is an arithmetic number, because the mean of its divisors is an integer number (5959008).

Almost surely, 2^87000474 is an apocalyptic number.

87000474 is an abundant number, since it is smaller than the sum of its proper divisors (103687782).

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

87000474 is a wasteful number, since it uses less digits than its factorization.

87000474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 87000474 is about 9327.4044621213. The cubic root of 87000474 is about 443.1055668869.

It can be divided in two parts, 870004 and 74, that added together give a palindrome (870078).

The spelling of 87000474 in words is "eighty-seven million, four hundred seventy-four", and thus it is an aban number.