72534486339 has 32 divisors (see below), whose sum is σ = 123747233280. Its totient is φ = 41131864800.

The previous prime is 72534486329. The next prime is 72534486377. The reversal of 72534486339 is 93368443527.

72534486339 is a `hidden beast` number, since 7 + 2 + 534 + 48 + 63 + 3 + 9 = 666.

It is not a de Polignac number, because 72534486339 - 2²⁹ = 71997615427 is a prime.

It is a super-2 number, since 2×72534486339² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72534486329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1440052 + ... + 1489569.

It is an arithmetic number, because the mean of its divisors is an integer number (3867101040).

Almost surely, 2^72534486339 is an apocalyptic number.

72534486339 is a deficient number, since it is larger than the sum of its proper divisors (51212746941).

72534486339 is a wasteful number, since it uses less digits than its factorization.

72534486339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929768 (or 2929762 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The spelling of 72534486339 in words is "seventy-two billion, five hundred thirty-four million, four hundred eighty-six thousand, three hundred thirty-nine".