72844712 has 16 divisors (see below), whose sum is σ = 140275860. Its totient is φ = 35437824.

The previous prime is 72844697. The next prime is 72844721. The reversal of 72844712 is 21744827.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49477156 + 23367556 = 7034^2 + 4834^2 .

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, 122753 + ... + 123344.

Almost surely, 2^72844712 is an apocalyptic number.

It is an amenable number.

72844712 is a deficient number, since it is larger than the sum of its proper divisors (67431148).

72844712 is a wasteful number, since it uses less digits than its factorization.

72844712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246140 (or 246136 counting only the distinct ones).

The product of its digits is 25088, while the sum is 35.

The square root of 72844712 is about 8534.9113645075. The cubic root of 72844712 is about 417.6373616646.

The spelling of 72844712 in words is "seventy-two million, eight hundred forty-four thousand, seven hundred twelve".