72746936 has 16 divisors (see below), whose sum is σ = 136771800. Its totient is φ = 36274464.

The previous prime is 72746923. The next prime is 72746939. The reversal of 72746936 is 63964727.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72746939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9206 + ... + 15173.

Almost surely, 2^72746936 is an apocalyptic number.

It is an amenable number.

72746936 is a deficient number, since it is larger than the sum of its proper divisors (64024864).

72746936 is a wasteful number, since it uses less digits than its factorization.

72746936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24758 (or 24754 counting only the distinct ones).

The product of its digits is 381024, while the sum is 44.

The square root of 72746936 is about 8529.1814378638. The cubic root of 72746936 is about 417.4504197282.

The spelling of 72746936 in words is "seventy-two million, seven hundred forty-six thousand, nine hundred thirty-six".