72222943723 has 12 divisors (see below), whose sum is σ = 84020296872. Its totient is φ = 61901068320.

The previous prime is 72222943717. The next prime is 72222943753. The reversal of 72222943723 is 32734922227.

It is not a de Polignac number, because 72222943723 - 2⁹ = 72222943211 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 72222943723.

It is not an unprimeable number, because it can be changed into a prime (72222943753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 802888 + ... + 888298.

It is an arithmetic number, because the mean of its divisors is an integer number (7001691406).

Almost surely, 2^72222943723 is an apocalyptic number.

72222943723 is a deficient number, since it is larger than the sum of its proper divisors (11797353149).

72222943723 is a wasteful number, since it uses less digits than its factorization.

72222943723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102682 (or 102675 counting only the distinct ones).

The product of its digits is 508032, while the sum is 43.

The spelling of 72222943723 in words is "seventy-two billion, two hundred twenty-two million, nine hundred forty-three thousand, seven hundred twenty-three".