72837712 has 10 divisors (see below), whose sum is σ = 141123098. Its totient is φ = 36418848.

The previous prime is 72837649. The next prime is 72837727. The reversal of 72837712 is 21773827.

It can be written as a sum of positive squares in only one way, i.e., 45212176 + 27625536 = 6724^2 + 5256^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2276163 + ... + 2276194.

Almost surely, 2^72837712 is an apocalyptic number.

It is an amenable number.

72837712 is a deficient number, since it is larger than the sum of its proper divisors (68285386).

72837712 is a wasteful number, since it uses less digits than its factorization.

72837712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552365 (or 4552359 counting only the distinct ones).

The product of its digits is 32928, while the sum is 37.

The square root of 72837712 is about 8534.5012742398. The cubic root of 72837712 is about 417.6239836394.

The spelling of 72837712 in words is "seventy-two million, eight hundred thirty-seven thousand, seven hundred twelve".