72768699 has 20 divisors (see below), whose sum is σ = 108946464. Its totient is φ = 48404304.

The previous prime is 72768679. The next prime is 72768701. The reversal of 72768699 is 99686727.

It is not a de Polignac number, because 72768699 - 2⁷ = 72768571 is a prime.

Its product of digits (2286144) is a multiple of the sum of its prime factors (2016).

It is not an unprimeable number, because it can be changed into a prime (72768659) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54174 + ... + 55500.

Almost surely, 2^72768699 is an apocalyptic number.

72768699 is a deficient number, since it is larger than the sum of its proper divisors (36177765).

72768699 is a wasteful number, since it uses less digits than its factorization.

72768699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2007 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 72768699 is about 8530.4571389815. The cubic root of 72768699 is about 417.4920437845.

The spelling of 72768699 in words is "seventy-two million, seven hundred sixty-eight thousand, six hundred ninety-nine".