72698764 has 12 divisors (see below), whose sum is σ = 127323000. Its totient is φ = 36320768.

The previous prime is 72698753. The next prime is 72698779. The reversal of 72698764 is 46789627.

It is a super-2 number, since 2×72698764² = 10570220574255392, which contains 22 as substring.

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, 814 + ... + 12085.

It is an arithmetic number, because the mean of its divisors is an integer number (10610250).

Almost surely, 2^72698764 is an apocalyptic number.

It is an amenable number.

72698764 is a deficient number, since it is larger than the sum of its proper divisors (54624236).

72698764 is a wasteful number, since it uses less digits than its factorization.

72698764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14312 (or 14310 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 72698764 is about 8526.3570180940. The cubic root of 72698764 is about 417.3582561124.

The spelling of 72698764 in words is "seventy-two million, six hundred ninety-eight thousand, seven hundred sixty-four".