722356080 has 160 divisors (see below), whose sum is σ = 2306905920. Its totient is φ = 186900480.

The previous prime is 722356073. The next prime is 722356087. The reversal of 722356080 is 80653227.

It is an interprime number because it is at equal distance from previous prime (722356073) and next prime (722356087).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722356087) 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, 1386220 + ... + 1386740.

It is an arithmetic number, because the mean of its divisors is an integer number (14418162).

Almost surely, 2^722356080 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 722356080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1153452960).

722356080 is an abundant number, since it is smaller than the sum of its proper divisors (1584549840).

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

722356080 is a wasteful number, since it uses less digits than its factorization.

722356080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 722356080 is about 26876.6828310340. The cubic root of 722356080 is about 897.2575281964.

The spelling of 722356080 in words is "seven hundred twenty-two million, three hundred fifty-six thousand, eighty".