722943652 has 24 divisors (see below), whose sum is σ = 1299358872. Its totient is φ = 351744000.

The previous prime is 722943607. The next prime is 722943667. The reversal of 722943652 is 256349227.

It can be written as a sum of positive squares in 4 ways, for example, as 51926436 + 671017216 = 7206^2 + 25904^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60268 + ... + 71260.

It is an arithmetic number, because the mean of its divisors is an integer number (54139953).

Almost surely, 2^722943652 is an apocalyptic number.

It is an amenable number.

722943652 is a deficient number, since it is larger than the sum of its proper divisors (576415220).

722943652 is a wasteful number, since it uses less digits than its factorization.

722943652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11439 (or 11437 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 722943652 is about 26887.6114967470. The cubic root of 722943652 is about 897.5007418207.

The spelling of 722943652 in words is "seven hundred twenty-two million, nine hundred forty-three thousand, six hundred fifty-two".