722756252 has 12 divisors (see below), whose sum is σ = 1265024376. Its totient is φ = 361320720.

The previous prime is 722756201. The next prime is 722756263. The reversal of 722756252 is 252657227.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27602 + ... + 46982.

It is an arithmetic number, because the mean of its divisors is an integer number (105418698).

Almost surely, 2^722756252 is an apocalyptic number.

It is an amenable number.

722756252 is a deficient number, since it is larger than the sum of its proper divisors (542268124).

722756252 is a wasteful number, since it uses less digits than its factorization.

722756252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28708 (or 28706 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 722756252 is about 26884.1263945846. The cubic root of 722756252 is about 897.4231856730.

The spelling of 722756252 in words is "seven hundred twenty-two million, seven hundred fifty-six thousand, two hundred fifty-two".