72167713453 has 16 divisors (see below), whose sum is σ = 80699250240. Its totient is φ = 63966659200.

The previous prime is 72167713441. The next prime is 72167713459. The reversal of 72167713453 is 35431776127.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72167713453 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 (72167713459) 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, 680751 + ... + 779587.

It is an arithmetic number, because the mean of its divisors is an integer number (5043703140).

Almost surely, 2^72167713453 is an apocalyptic number.

It is an amenable number.

72167713453 is a deficient number, since it is larger than the sum of its proper divisors (8531536787).

72167713453 is a wasteful number, since it uses less digits than its factorization.

72167713453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100508.

The product of its digits is 740880, while the sum is 46.

The spelling of 72167713453 in words is "seventy-two billion, one hundred sixty-seven million, seven hundred thirteen thousand, four hundred fifty-three".