72479845222 has 8 divisors (see below), whose sum is σ = 108746631000. Its totient is φ = 36230968224.

The previous prime is 72479845211. The next prime is 72479845231. The reversal of 72479845222 is 22254897427.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72479845222.

It is a congruent number.

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, 4467072 + ... + 4483267.

It is an arithmetic number, because the mean of its divisors is an integer number (13593328875).

Almost surely, 2^72479845222 is an apocalyptic number.

72479845222 is a deficient number, since it is larger than the sum of its proper divisors (36266785778).

72479845222 is a wasteful number, since it uses less digits than its factorization.

72479845222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8954390.

The product of its digits is 4515840, while the sum is 52.

The spelling of 72479845222 in words is "seventy-two billion, four hundred seventy-nine million, eight hundred forty-five thousand, two hundred twenty-two".