72617673059 has 8 divisors (see below), whose sum is σ = 80232314400. Its totient is φ = 65374477696.

The previous prime is 72617673053. The next prime is 72617673083. The reversal of 72617673059 is 95037671627.

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 72617673059 - 2⁴ = 72617673043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72617673059.

It is not an unprimeable number, because it can be changed into a prime (72617673053) 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, 92861084 + ... + 92861865.

It is an arithmetic number, because the mean of its divisors is an integer number (10029039300).

Almost surely, 2^72617673059 is an apocalyptic number.

72617673059 is a deficient number, since it is larger than the sum of its proper divisors (7614641341).

72617673059 is a wasteful number, since it uses less digits than its factorization.

72617673059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185722989.

The product of its (nonzero) digits is 3333960, while the sum is 53.

The spelling of 72617673059 in words is "seventy-two billion, six hundred seventeen million, six hundred seventy-three thousand, fifty-nine".