72750797169 has 8 divisors (see below), whose sum is σ = 102707007840. Its totient is φ = 45647558976.

The previous prime is 72750797153. The next prime is 72750797177. The reversal of 72750797169 is 96179705727.

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

It is not a de Polignac number, because 72750797169 - 2⁴ = 72750797153 is a prime.

It is a super-2 number, since 2×72750797169² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72750797069) 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, 713243059 + ... + 713243160.

It is an arithmetic number, because the mean of its divisors is an integer number (12838375980).

Almost surely, 2^72750797169 is an apocalyptic number.

It is an amenable number.

72750797169 is a deficient number, since it is larger than the sum of its proper divisors (29956210671).

72750797169 is a wasteful number, since it uses less digits than its factorization.

72750797169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426486239.

The product of its (nonzero) digits is 11668860, while the sum is 60.

The spelling of 72750797169 in words is "seventy-two billion, seven hundred fifty million, seven hundred ninety-seven thousand, one hundred sixty-nine".