72859652 has 12 divisors (see below), whose sum is σ = 127567440. Its totient is φ = 36411816.

The previous prime is 72859651. The next prime is 72859693. The reversal of 72859652 is 25695827.

It is a super-2 number, since 2×72859652² = 10617057779122208, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (72859651) 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, 9299 + ... + 15237.

It is an arithmetic number, because the mean of its divisors is an integer number (10630620).

Almost surely, 2^72859652 is an apocalyptic number.

It is an amenable number.

72859652 is a deficient number, since it is larger than the sum of its proper divisors (54707788).

72859652 is a wasteful number, since it uses less digits than its factorization.

72859652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010 (or 9008 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 72859652 is about 8535.7865484090. The cubic root of 72859652 is about 417.6659113264.

The spelling of 72859652 in words is "seventy-two million, eight hundred fifty-nine thousand, six hundred fifty-two".