72022704 has 40 divisors (see below), whose sum is σ = 200372592. Its totient is φ = 22160640.

The previous prime is 72022661. The next prime is 72022723. The reversal of 72022704 is 40722027.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57087 + ... + 58334.

Almost surely, 2^72022704 is an apocalyptic number.

It is an amenable number.

72022704 is an abundant number, since it is smaller than the sum of its proper divisors (128349888).

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

72022704 is a wasteful number, since it uses less digits than its factorization.

72022704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115445 (or 115439 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 24.

The square root of 72022704 is about 8486.6191148183. The cubic root of 72022704 is about 416.0604879993.

The spelling of 72022704 in words is "seventy-two million, twenty-two thousand, seven hundred four".