72993039 has 16 divisors (see below), whose sum is σ = 111616512. Its totient is φ = 41564448.

The previous prime is 72993017. The next prime is 72993071. The reversal of 72993039 is 93039927.

It is not a de Polignac number, because 72993039 - 2¹⁵ = 72960271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72992039) 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, 222 + ... + 12084.

It is an arithmetic number, because the mean of its divisors is an integer number (6976032).

Almost surely, 2^72993039 is an apocalyptic number.

72993039 is a deficient number, since it is larger than the sum of its proper divisors (38623473).

72993039 is a wasteful number, since it uses less digits than its factorization.

72993039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12166.

The product of its (nonzero) digits is 91854, while the sum is 42.

The square root of 72993039 is about 8543.5963738931. The cubic root of 72993039 is about 417.9206350240.

The spelling of 72993039 in words is "seventy-two million, nine hundred ninety-three thousand, thirty-nine".