722507454764 has 12 divisors (see below), whose sum is σ = 1293792419304. Its totient is φ = 352852477824.

The previous prime is 722507454761. The next prime is 722507454787. The reversal of 722507454764 is 467454705227.

It is not an unprimeable number, because it can be changed into a prime (722507454761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2100312197 + ... + 2100312540.

It is an arithmetic number, because the mean of its divisors is an integer number (107816034942).

Almost surely, 2^722507454764 is an apocalyptic number.

It is an amenable number.

722507454764 is a deficient number, since it is larger than the sum of its proper divisors (571284964540).

722507454764 is a wasteful number, since it uses less digits than its factorization.

722507454764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200624784 (or 4200624782 counting only the distinct ones).

The product of its (nonzero) digits is 13171200, while the sum is 53.

The spelling of 722507454764 in words is "seven hundred twenty-two billion, five hundred seven million, four hundred fifty-four thousand, seven hundred sixty-four".