72322476569 has 16 divisors (see below), whose sum is σ = 86797302528. Its totient is φ = 58917748032.

The previous prime is 72322476553. The next prime is 72322476599. The reversal of 72322476569 is 96567422327.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 72322476569 - 2⁴ = 72322476553 is a prime.

It is a super-2 number, since 2×72322476569² (a number of 23 digits) contains 22 as substring.

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 72322476569.

It is not an unprimeable number, because it can be changed into a prime (72322476599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1405322 + ... + 1455875.

It is an arithmetic number, because the mean of its divisors is an integer number (5424831408).

Almost surely, 2^72322476569 is an apocalyptic number.

It is an amenable number.

72322476569 is a deficient number, since it is larger than the sum of its proper divisors (14474825959).

72322476569 is a wasteful number, since it uses less digits than its factorization.

72322476569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861384.

The product of its digits is 7620480, while the sum is 53.

The spelling of 72322476569 in words is "seventy-two billion, three hundred twenty-two million, four hundred seventy-six thousand, five hundred sixty-nine".