72696734499 has 16 divisors (see below), whose sum is σ = 103467559680. Its totient is φ = 45267052320.

The previous prime is 72696734437. The next prime is 72696734507. The reversal of 72696734499 is 99443769627.

It is not a de Polignac number, because 72696734499 - 2¹⁶ = 72696668963 is a prime.

It is a super-3 number, since 3×72696734499³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (72696734399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8977512 + ... + 8985605.

It is an arithmetic number, because the mean of its divisors is an integer number (6466722480).

Almost surely, 2^72696734499 is an apocalyptic number.

72696734499 is a deficient number, since it is larger than the sum of its proper divisors (30770825181).

72696734499 is a wasteful number, since it uses less digits than its factorization.

72696734499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17963210.

The product of its digits is 123451776, while the sum is 66.

The spelling of 72696734499 in words is "seventy-two billion, six hundred ninety-six million, seven hundred thirty-four thousand, four hundred ninety-nine".