72709158733 has 8 divisors (see below), whose sum is σ = 75882385728. Its totient is φ = 69536928384.

The previous prime is 72709158727. The next prime is 72709158737. The reversal of 72709158733 is 33785190727.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72709158733 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 (72709158737) 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, 98116 + ... + 393757.

It is an arithmetic number, because the mean of its divisors is an integer number (9485298216).

Almost surely, 2^72709158733 is an apocalyptic number.

It is an amenable number.

72709158733 is a deficient number, since it is larger than the sum of its proper divisors (3173226995).

72709158733 is a wasteful number, since it uses less digits than its factorization.

72709158733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498323.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 72709158733 in words is "seventy-two billion, seven hundred nine million, one hundred fifty-eight thousand, seven hundred thirty-three".