72769528 has 32 divisors (see below), whose sum is σ = 150917760. Its totient is φ = 32676480.

The previous prime is 72769483. The next prime is 72769531. The reversal of 72769528 is 82596727.

It is a congruent number.

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, 5608 + ... + 13303.

It is an arithmetic number, because the mean of its divisors is an integer number (4716180).

Almost surely, 2^72769528 is an apocalyptic number.

It is an amenable number.

72769528 is an abundant number, since it is smaller than the sum of its proper divisors (78148232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72769528 is a wasteful number, since it uses less digits than its factorization.

72769528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18967 (or 18963 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 72769528 is about 8530.5057294395. The cubic root of 72769528 is about 417.4936291712.

The spelling of 72769528 in words is "seventy-two million, seven hundred sixty-nine thousand, five hundred twenty-eight".