72869624 has 16 divisors (see below), whose sum is σ = 138871320. Its totient is φ = 35837280.

The previous prime is 72869611. The next prime is 72869683. The reversal of 72869624 is 42696827.

It is a congruent number.

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, 74174 + ... + 75149.

Almost surely, 2^72869624 is an apocalyptic number.

It is an amenable number.

72869624 is a deficient number, since it is larger than the sum of its proper divisors (66001696).

72869624 is a wasteful number, since it uses less digits than its factorization.

72869624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149390 (or 149386 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 72869624 is about 8536.3706573696. The cubic root of 72869624 is about 417.6849651939.

The spelling of 72869624 in words is "seventy-two million, eight hundred sixty-nine thousand, six hundred twenty-four".