72641036 has 24 divisors (see below), whose sum is σ = 139226640. Its totient is φ = 32956992.

The previous prime is 72641011. The next prime is 72641071. The reversal of 72641036 is 63014627.

It is a super-2 number, since 2×72641036² = 10553440222306592, which contains 22 as substring.

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, 8771 + ... + 14906.

It is an arithmetic number, because the mean of its divisors is an integer number (5801110).

Almost surely, 2^72641036 is an apocalyptic number.

It is an amenable number.

72641036 is a deficient number, since it is larger than the sum of its proper divisors (66585604).

72641036 is a wasteful number, since it uses less digits than its factorization.

72641036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23753 (or 23751 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 72641036 is about 8522.9710782098. The cubic root of 72641036 is about 417.2477561251.

The spelling of 72641036 in words is "seventy-two million, six hundred forty-one thousand, thirty-six".