722967808 has 36 divisors (see below), whose sum is σ = 1447969600. Its totient is φ = 360267264.

The previous prime is 722967799. The next prime is 722967811. The reversal of 722967808 is 808769227.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 73993 + ... + 83191.

Almost surely, 2^722967808 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 722967808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723984800).

722967808 is an abundant number, since it is smaller than the sum of its proper divisors (725001792).

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

722967808 is an equidigital number, since it uses as much as digits as its factorization.

722967808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9522 (or 9508 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 722967808 is about 26888.0606961529. The cubic root of 722967808 is about 897.5107378908.

The spelling of 722967808 in words is "seven hundred twenty-two million, nine hundred sixty-seven thousand, eight hundred eight".