722252072 has 64 divisors (see below), whose sum is σ = 1517201280. Its totient is φ = 320550912.

The previous prime is 722252057. The next prime is 722252077. The reversal of 722252072 is 270252227.

It is not an unprimeable number, because it can be changed into a prime (722252077) 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, 226763 + ... + 229925.

It is an arithmetic number, because the mean of its divisors is an integer number (23706270).

Almost surely, 2^722252072 is an apocalyptic number.

It is an amenable number.

722252072 is an abundant number, since it is smaller than the sum of its proper divisors (794949208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722252072 is a wasteful number, since it uses less digits than its factorization.

722252072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 722252072 is about 26874.7478499799. The cubic root of 722252072 is about 897.2144624366.

The spelling of 722252072 in words is "seven hundred twenty-two million, two hundred fifty-two thousand, seventy-two".