72022744 has 16 divisors (see below), whose sum is σ = 142986600. Its totient is φ = 33892992.

The previous prime is 72022733. The next prime is 72022763. The reversal of 72022744 is 44722027.

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, 264654 + ... + 264925.

Almost surely, 2^72022744 is an apocalyptic number.

It is an amenable number.

72022744 is a deficient number, since it is larger than the sum of its proper divisors (70963856).

72022744 is a wasteful number, since it uses less digits than its factorization.

72022744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529602 (or 529598 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 72022744 is about 8486.6214714691. The cubic root of 72022744 is about 416.0605650232.

The spelling of 72022744 in words is "seventy-two million, twenty-two thousand, seven hundred forty-four".