72099304 has 32 divisors (see below), whose sum is σ = 142813440. Its totient is φ = 34070400.

The previous prime is 72099299. The next prime is 72099317. The reversal of 72099304 is 40399027.

It is a self number, because there is not a number n which added to its sum of digits gives 72099304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7284 + ... + 14044.

It is an arithmetic number, because the mean of its divisors is an integer number (4462920).

Almost surely, 2^72099304 is an apocalyptic number.

It is an amenable number.

72099304 is a deficient number, since it is larger than the sum of its proper divisors (70714136).

72099304 is a wasteful number, since it uses less digits than its factorization.

72099304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6841 (or 6837 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 72099304 is about 8491.1309023004. The cubic root of 72099304 is about 416.2079366033.

The spelling of 72099304 in words is "seventy-two million, ninety-nine thousand, three hundred four".