722942508 has 48 divisors (see below), whose sum is σ = 1749000960. Its totient is φ = 232142400.

The previous prime is 722942489. The next prime is 722942513. The reversal of 722942508 is 805249227.

722942508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168753 + ... + 172983.

It is an arithmetic number, because the mean of its divisors is an integer number (36437520).

Almost surely, 2^722942508 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 722942508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874500480).

722942508 is an abundant number, since it is smaller than the sum of its proper divisors (1026058452).

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

722942508 is a wasteful number, since it uses less digits than its factorization.

722942508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758 (or 4756 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 722942508 is about 26887.5902230006. The cubic root of 722942508 is about 897.5002684129.

The spelling of 722942508 in words is "seven hundred twenty-two million, nine hundred forty-two thousand, five hundred eight".