72304076 has 24 divisors (see below), whose sum is σ = 140967120. Its totient is φ = 32219712.

The previous prime is 72304069. The next prime is 72304081. The reversal of 72304076 is 67040327.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22466 + ... + 25481.

It is an arithmetic number, because the mean of its divisors is an integer number (5873630).

Almost surely, 2^72304076 is an apocalyptic number.

It is an amenable number.

72304076 is a deficient number, since it is larger than the sum of its proper divisors (68663044).

72304076 is a wasteful number, since it uses less digits than its factorization.

72304076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47993 (or 47991 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 72304076 is about 8503.1803461999. The cubic root of 72304076 is about 416.6015935355.

The spelling of 72304076 in words is "seventy-two million, three hundred four thousand, seventy-six".