72870704 has 20 divisors (see below), whose sum is σ = 149492664. Its totient is φ = 34291968.

The previous prime is 72870701. The next prime is 72870713. The reversal of 72870704 is 40707827.

It is not an unprimeable number, because it can be changed into a prime (72870701) 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, 133682 + ... + 134225.

Almost surely, 2^72870704 is an apocalyptic number.

It is an amenable number.

72870704 is an abundant number, since it is smaller than the sum of its proper divisors (76621960).

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

72870704 is a wasteful number, since it uses less digits than its factorization.

72870704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267932 (or 267926 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 72870704 is about 8536.4339158691. The cubic root of 72870704 is about 417.6870286853.

The spelling of 72870704 in words is "seventy-two million, eight hundred seventy thousand, seven hundred four".