722160000 has 480 divisors, whose sum is σ = 2796136200. Its totient is φ = 178176000.

The previous prime is 722159993. The next prime is 722160007. The reversal of 722160000 is 61227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (722159993) and next prime (722160007).

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722160007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 12239971 + ... + 12240029.

Almost surely, 2^722160000 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 722160000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398068100).

722160000 is an abundant number, since it is smaller than the sum of its proper divisors (2073976200).

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

722160000 is a wasteful number, since it uses less digits than its factorization.

722160000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 722160000 is about 26873.0348118704. The cubic root of 722160000 is about 897.1763354706.

The spelling of 722160000 in words is "seven hundred twenty-two million, one hundred sixty thousand".