72806630 has 32 divisors (see below), whose sum is σ = 143809344. Its totient is φ = 26372736.

The previous prime is 72806627. The next prime is 72806641. The reversal of 72806630 is 3660827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1607 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (4494042).

Almost surely, 2^72806630 is an apocalyptic number.

72806630 is a deficient number, since it is larger than the sum of its proper divisors (71002714).

72806630 is a wasteful number, since it uses less digits than its factorization.

72806630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10640.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 72806630 is about 8532.6801182278. The cubic root of 72806630 is about 417.5645710305.

The spelling of 72806630 in words is "seventy-two million, eight hundred six thousand, six hundred thirty".