72768672497663 has 8 divisors (see below), whose sum is σ = 72794916250560. Its totient is φ = 72742429527040.

The previous prime is 72768672497513. The next prime is 72768672497681. The reversal of 72768672497663 is 36679427686727.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72768672497663 - 2¹² = 72768672493567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72768672497693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237490703 + ... + 237796911.

It is an arithmetic number, because the mean of its divisors is an integer number (9099364531320).

Almost surely, 2^{72768672497663} is an apocalyptic number.

72768672497663 is a deficient number, since it is larger than the sum of its proper divisors (26243752897).

72768672497663 is a wasteful number, since it uses less digits than its factorization.

72768672497663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391137.

The product of its digits is 10754021376, while the sum is 80.

The spelling of 72768672497663 in words is "seventy-two trillion, seven hundred sixty-eight billion, six hundred seventy-two million, four hundred ninety-seven thousand, six hundred sixty-three".