72283944 has 32 divisors (see below), whose sum is σ = 184122720. Its totient is φ = 23639616.

The previous prime is 72283933. The next prime is 72283969. The reversal of 72283944 is 44938227.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27142 + ... + 29685.

It is an arithmetic number, because the mean of its divisors is an integer number (5753835).

Almost surely, 2^72283944 is an apocalyptic number.

It is an amenable number.

72283944 is an abundant number, since it is smaller than the sum of its proper divisors (111838776).

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

72283944 is a wasteful number, since it uses less digits than its factorization.

72283944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56889 (or 56885 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 72283944 is about 8501.9964714178. The cubic root of 72283944 is about 416.5629244300.

It can be divided in two parts, 722 and 83944, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 72283944 in words is "seventy-two million, two hundred eighty-three thousand, nine hundred forty-four".