87418072 has 16 divisors (see below), whose sum is σ = 187324560. Its totient is φ = 37464864.

The previous prime is 87418061. The next prime is 87418081. The reversal of 87418072 is 27081478.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780463 + ... + 780574.

It is an arithmetic number, because the mean of its divisors is an integer number (11707785).

Almost surely, 2^87418072 is an apocalyptic number.

It is an amenable number.

87418072 is an abundant number, since it is smaller than the sum of its proper divisors (99906488).

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

87418072 is a wasteful number, since it uses less digits than its factorization.

87418072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561050 (or 1561046 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 87418072 is about 9349.7632055577. The cubic root of 87418072 is about 443.8133972240.

The spelling of 87418072 in words is "eighty-seven million, four hundred eighteen thousand, seventy-two".