72682499979 has 12 divisors (see below), whose sum is σ = 105022617336. Its totient is φ = 48438022752.

The previous prime is 72682499969. The next prime is 72682499983. The reversal of 72682499979 is 97999428627.

72682499979 is a `hidden beast` number, since 7 + 2 + 68 + 2 + 499 + 9 + 79 = 666.

It is not a de Polignac number, because 72682499979 - 2⁵ = 72682499947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72682499969) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1387629 + ... + 1439054.

It is an arithmetic number, because the mean of its divisors is an integer number (8751884778).

Almost surely, 2^72682499979 is an apocalyptic number.

72682499979 is a deficient number, since it is larger than the sum of its proper divisors (32340117357).

72682499979 is a wasteful number, since it uses less digits than its factorization.

72682499979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829546 (or 2829543 counting only the distinct ones).

The product of its digits is 246903552, while the sum is 72.

The spelling of 72682499979 in words is "seventy-two billion, six hundred eighty-two million, four hundred ninety-nine thousand, nine hundred seventy-nine".