722664059762 has 18 divisors (see below), whose sum is σ = 1095463288647. Its totient is φ = 357549250944.

The previous prime is 722664059759. The next prime is 722664059791. The reversal of 722664059762 is 267950466227.

It can be written as a sum of positive squares in 5 ways, for example, as 248451405601 + 474212654161 = 498449^2 + 688631^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=601109.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 722664059698 and 722664059707.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 116612048 + ... + 116618244.

Almost surely, 2^722664059762 is an apocalyptic number.

722664059762 is a deficient number, since it is larger than the sum of its proper divisors (372799228885).

722664059762 is an frugal number, since it uses more digits than its factorization.

722664059762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590 (or 6296 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 722664059762 in words is "seven hundred twenty-two billion, six hundred sixty-four million, fifty-nine thousand, seven hundred sixty-two".