72857016 has 32 divisors (see below), whose sum is σ = 202381200. Its totient is φ = 24285600.

The previous prime is 72857009. The next prime is 72857021. The reversal of 72857016 is 61075827.

72857016 is a `hidden beast` number, since 72 + 8 + 570 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 168435 + ... + 168866.

Almost surely, 2^72857016 is an apocalyptic number.

It is an amenable number.

72857016 is an abundant number, since it is smaller than the sum of its proper divisors (129524184).

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

72857016 is a wasteful number, since it uses less digits than its factorization.

72857016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337316 (or 337306 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 72857016 is about 8535.6321382778. The cubic root of 72857016 is about 417.6608743336.

The spelling of 72857016 in words is "seventy-two million, eight hundred fifty-seven thousand, sixteen".