72318355199 has 8 divisors (see below), whose sum is σ = 79434349440. Its totient is φ = 65533337496.

The previous prime is 72318355189. The next prime is 72318355201. The reversal of 72318355199 is 99155381327.

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 72318355199 - 2²⁸ = 72049919743 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 72318355199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72318355189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82743677 + ... + 82744550.

It is an arithmetic number, because the mean of its divisors is an integer number (9929293680).

Almost surely, 2^72318355199 is an apocalyptic number.

72318355199 is a deficient number, since it is larger than the sum of its proper divisors (7115994241).

72318355199 is a wasteful number, since it uses less digits than its factorization.

72318355199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165488269.

The product of its digits is 2041200, while the sum is 53.

The spelling of 72318355199 in words is "seventy-two billion, three hundred eighteen million, three hundred fifty-five thousand, one hundred ninety-nine".