72992339 has 8 divisors (see below), whose sum is σ = 88327008. Its totient is φ = 58884480.

The previous prime is 72992327. The next prime is 72992351. The reversal of 72992339 is 93329927.

It is an interprime number because it is at equal distance from previous prime (72992327) and next prime (72992351).

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

It is a cyclic number.

It is not a de Polignac number, because 72992339 - 2⁴ = 72992323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 72992339.

It is not an unprimeable number, because it can be changed into a prime (72992399) 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 7 ways as a sum of consecutive naturals, for example, 306572 + ... + 306809.

It is an arithmetic number, because the mean of its divisors is an integer number (11040876).

Almost surely, 2^72992339 is an apocalyptic number.

72992339 is a deficient number, since it is larger than the sum of its proper divisors (15334669).

72992339 is a wasteful number, since it uses less digits than its factorization.

72992339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613405.

The product of its digits is 183708, while the sum is 44.

The square root of 72992339 is about 8543.5554074402. Note that the first 3 decimals coincide. The cubic root of 72992339 is about 417.9192990730.

The spelling of 72992339 in words is "seventy-two million, nine hundred ninety-two thousand, three hundred thirty-nine".