722962944 has 240 divisors, whose sum is σ = 2412970560. Its totient is φ = 205946880.

The previous prime is 722962909. The next prime is 722962957. The reversal of 722962944 is 449269227.

It is a happy number.

722962944 is a `hidden beast` number, since 72 + 296 + 294 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 722962944.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 861277 + ... + 862115.

It is an arithmetic number, because the mean of its divisors is an integer number (10054044).

Almost surely, 2^722962944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722962944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206485280).

722962944 is an abundant number, since it is smaller than the sum of its proper divisors (1690007616).

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

722962944 is a wasteful number, since it uses less digits than its factorization.

722962944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 872 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 722962944 is about 26887.9702469339. The cubic root of 722962944 is about 897.5087251216.

The spelling of 722962944 in words is "seven hundred twenty-two million, nine hundred sixty-two thousand, nine hundred forty-four".