722784708 has 60 divisors (see below), whose sum is σ = 1896754860. Its totient is φ = 240003648.

The previous prime is 722784707. The next prime is 722784739. The reversal of 722784708 is 807487227.

It can be written as a sum of positive squares in 2 ways, for example, as 95883264 + 626901444 = 9792^2 + 25038^2 .

It is not an unprimeable number, because it can be changed into a prime (722784703) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 83010 + ... + 91302.

It is an arithmetic number, because the mean of its divisors is an integer number (31612581).

Almost surely, 2^722784708 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 722784708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948377430).

722784708 is an abundant number, since it is smaller than the sum of its proper divisors (1173970152).

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

722784708 is a wasteful number, since it uses less digits than its factorization.

722784708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578 (or 8567 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 722784708 is about 26884.6556236081. The cubic root of 722784708 is about 897.4349631517.

The spelling of 722784708 in words is "seven hundred twenty-two million, seven hundred eighty-four thousand, seven hundred eight".