72856934 has 16 divisors (see below), whose sum is σ = 117347616. Its totient is φ = 33801600.

The previous prime is 72856897. The next prime is 72856937. The reversal of 72856934 is 43965827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72856937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12677 + ... + 17504.

It is an arithmetic number, because the mean of its divisors is an integer number (7334226).

Almost surely, 2^72856934 is an apocalyptic number.

72856934 is a deficient number, since it is larger than the sum of its proper divisors (44490682).

72856934 is a wasteful number, since it uses less digits than its factorization.

72856934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30271.

The product of its digits is 362880, while the sum is 44.

The square root of 72856934 is about 8535.6273348829. The cubic root of 72856934 is about 417.6607176422.

The spelling of 72856934 in words is "seventy-two million, eight hundred fifty-six thousand, nine hundred thirty-four".