722583680 has 256 divisors, whose sum is σ = 2241388800. Its totient is φ = 216317952.

The previous prime is 722583649. The next prime is 722583683. The reversal of 722583680 is 86385227.

It is not an unprimeable number, because it can be changed into a prime (722583683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1106234 + ... + 1106886.

It is an arithmetic number, because the mean of its divisors is an integer number (8755425).

Almost surely, 2^722583680 is an apocalyptic number.

722583680 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722583680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120694400).

722583680 is an abundant number, since it is smaller than the sum of its proper divisors (1518805120).

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

722583680 is a wasteful number, since it uses less digits than its factorization.

722583680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 722583680 is about 26880.9166510370. The cubic root of 722583680 is about 897.3517542873.

The spelling of 722583680 in words is "seven hundred twenty-two million, five hundred eighty-three thousand, six hundred eighty".