722478352 has 20 divisors (see below), whose sum is σ = 1409201100. Its totient is φ = 358813568.

The previous prime is 722478349. The next prime is 722478371. The reversal of 722478352 is 253874227.

It can be written as a sum of positive squares in 2 ways, for example, as 405780736 + 316697616 = 20144^2 + 17796^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149143 + ... + 153910.

It is an arithmetic number, because the mean of its divisors is an integer number (70460055).

Almost surely, 2^722478352 is an apocalyptic number.

It is an amenable number.

722478352 is a deficient number, since it is larger than the sum of its proper divisors (686722748).

722478352 is a wasteful number, since it uses less digits than its factorization.

722478352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303210 (or 303204 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 722478352 is about 26878.9574202572. The cubic root of 722478352 is about 897.3081510983.

The spelling of 722478352 in words is "seven hundred twenty-two million, four hundred seventy-eight thousand, three hundred fifty-two".