72983379 has 16 divisors (see below), whose sum is σ = 111428352. Its totient is φ = 41623968.

The previous prime is 72983377. The next prime is 72983387. The reversal of 72983379 is 97338927.

It is not a de Polignac number, because 72983379 - 2¹ = 72983377 is a prime.

It is a super-2 number, since 2×72983379² = 10653147220515282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72983371) 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, 8737 + ... + 14909.

It is an arithmetic number, because the mean of its divisors is an integer number (6964272).

Almost surely, 2^72983379 is an apocalyptic number.

72983379 is a deficient number, since it is larger than the sum of its proper divisors (38444973).

72983379 is a wasteful number, since it uses less digits than its factorization.

72983379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746.

The product of its digits is 571536, while the sum is 48.

The square root of 72983379 is about 8543.0310194919. The cubic root of 72983379 is about 417.9021981452.

The spelling of 72983379 in words is "seventy-two million, nine hundred eighty-three thousand, three hundred seventy-nine".