72930723 has 16 divisors (see below), whose sum is σ = 102865920. Its totient is φ = 45866304.

The previous prime is 72930691. The next prime is 72930727. The reversal of 72930723 is 32703927.

It is not a de Polignac number, because 72930723 - 2⁵ = 72930691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72930727) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2203 + ... + 12276.

It is an arithmetic number, because the mean of its divisors is an integer number (6429120).

Almost surely, 2^72930723 is an apocalyptic number.

72930723 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

72930723 is a deficient number, since it is larger than the sum of its proper divisors (29935197).

72930723 is a wasteful number, since it uses less digits than its factorization.

72930723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14578.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 72930723 is about 8539.9486532414. The cubic root of 72930723 is about 417.8016713648.

The spelling of 72930723 in words is "seventy-two million, nine hundred thirty thousand, seven hundred twenty-three".