87470604 has 120 divisors (see below), whose sum is σ = 259453040. Its totient is φ = 25474176.

The previous prime is 87470569. The next prime is 87470609. The reversal of 87470604 is 40607478.

It is a happy number.

87470604 is a `hidden beast` number, since 8 + 7 + 47 + 0 + 604 = 666.

It is a super-2 number, since 2×87470604² = 15302213128249632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (87470609) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 79482 + ... + 80574.

Almost surely, 2^87470604 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 87470604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129726520).

87470604 is an abundant number, since it is smaller than the sum of its proper divisors (171982436).

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

87470604 is a wasteful number, since it uses less digits than its factorization.

87470604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 87470604 is about 9352.5720526495. The cubic root of 87470604 is about 443.9022794437.

The spelling of 87470604 in words is "eighty-seven million, four hundred seventy thousand, six hundred four".