72604923 has 8 divisors (see below), whose sum is σ = 96869136. Its totient is φ = 48372000.

The previous prime is 72604879. The next prime is 72604933. The reversal of 72604923 is 32940627.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 72604923 - 2⁸ = 72604667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72604933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (12108642).

Almost surely, 2^72604923 is an apocalyptic number.

72604923 is a deficient number, since it is larger than the sum of its proper divisors (24264213).

72604923 is a wasteful number, since it uses less digits than its factorization.

72604923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15645.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 72604923 is about 8520.8522461078. The cubic root of 72604923 is about 417.1786006967.

The spelling of 72604923 in words is "seventy-two million, six hundred four thousand, nine hundred twenty-three".