72400302324722 has 8 divisors (see below), whose sum is σ = 109266713938416. Its totient is φ = 35978064345252.

The previous prime is 72400302324673. The next prime is 72400302324773. The reversal of 72400302324722 is 22742320300427.

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

It is a super-2 number, since 2×72400302324722² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111043408148 + ... + 111043408799.

It is an arithmetic number, because the mean of its divisors is an integer number (13658339242302).

Almost surely, 2^{72400302324722} is an apocalyptic number.

72400302324722 is a deficient number, since it is larger than the sum of its proper divisors (36866411613694).

72400302324722 is a wasteful number, since it uses less digits than its factorization.

72400302324722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222086817112.

The product of its (nonzero) digits is 225792, while the sum is 38.

The spelling of 72400302324722 in words is "seventy-two trillion, four hundred billion, three hundred two million, three hundred twenty-four thousand, seven hundred twenty-two".