72670402 has 32 divisors (see below), whose sum is σ = 131817600. Its totient is φ = 29351808.

The previous prime is 72670399. The next prime is 72670447. The reversal of 72670402 is 20407627.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60318 + ... + 61510.

It is an arithmetic number, because the mean of its divisors is an integer number (4119300).

Almost surely, 2^72670402 is an apocalyptic number.

72670402 is a deficient number, since it is larger than the sum of its proper divisors (59147198).

72670402 is a wasteful number, since it uses less digits than its factorization.

72670402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 72670402 is about 8524.6936601851. The cubic root of 72670402 is about 417.3039743342.

The spelling of 72670402 in words is "seventy-two million, six hundred seventy thousand, four hundred two".