72767152 has 10 divisors (see below), whose sum is σ = 140986388. Its totient is φ = 36383568.

The previous prime is 72767143. The next prime is 72767153. The reversal of 72767152 is 25176727.

It is a super-2 number, since 2×72767152² = 10590116820382208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72767153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2273958 + ... + 2273989.

Almost surely, 2^72767152 is an apocalyptic number.

It is an amenable number.

72767152 is a deficient number, since it is larger than the sum of its proper divisors (68219236).

72767152 is a wasteful number, since it uses less digits than its factorization.

72767152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4547955 (or 4547949 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 72767152 is about 8530.3664634059. The cubic root of 72767152 is about 417.4890852561.

The spelling of 72767152 in words is "seventy-two million, seven hundred sixty-seven thousand, one hundred fifty-two".