722362368 has 448 divisors, whose sum is σ = 2642250240. Its totient is φ = 169869312.

The previous prime is 722362343. The next prime is 722362369. The reversal of 722362368 is 863263227.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722362369) 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, 38019063 + ... + 38019081.

It is an arithmetic number, because the mean of its divisors is an integer number (5897880).

Almost surely, 2^722362368 is an apocalyptic number.

722362368 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 722362368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1321125120).

722362368 is an abundant number, since it is smaller than the sum of its proper divisors (1919887872).

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

722362368 is a wasteful number, since it uses less digits than its factorization.

722362368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 61 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 722362368 is about 26876.7998095011. The cubic root of 722362368 is about 897.2601316857.

The spelling of 722362368 in words is "seven hundred twenty-two million, three hundred sixty-two thousand, three hundred sixty-eight".