722908368 has 480 divisors, whose sum is σ = 2707326720. Its totient is φ = 182891520.

The previous prime is 722908367. The next prime is 722908397. The reversal of 722908368 is 863809227.

It is a super-3 number, since 3×722908368³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722908367) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10181773 + ... + 10181843.

It is an arithmetic number, because the mean of its divisors is an integer number (5640264).

Almost surely, 2^722908368 is an apocalyptic number.

722908368 is a gapful number since it is divisible by the number (78) 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 722908368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353663360).

722908368 is an abundant number, since it is smaller than the sum of its proper divisors (1984418352).

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

722908368 is a wasteful number, since it uses less digits than its factorization.

722908368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 722908368 is about 26886.9553501322. The cubic root of 722908368 is about 897.4861404377.

The spelling of 722908368 in words is "seven hundred twenty-two million, nine hundred eight thousand, three hundred sixty-eight".