72320914318 has 8 divisors (see below), whose sum is σ = 108483119712. Its totient is φ = 36159874416.

The previous prime is 72320914313. The next prime is 72320914319. The reversal of 72320914318 is 81341902327.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72320914313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114855 + ... + 397282.

It is an arithmetic number, because the mean of its divisors is an integer number (13560389964).

Almost surely, 2^72320914318 is an apocalyptic number.

72320914318 is a deficient number, since it is larger than the sum of its proper divisors (36162205394).

72320914318 is a wasteful number, since it uses less digits than its factorization.

72320914318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582746.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 72320914318 in words is "seventy-two billion, three hundred twenty million, nine hundred fourteen thousand, three hundred eighteen".