722569710720 has 512 divisors, whose sum is σ = 2709197487360. Its totient is φ = 161493811200.

The previous prime is 722569710713. The next prime is 722569710739. The reversal of 722569710720 is 27017965227.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 722569710720.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 406622472 + ... + 406624248.

Almost surely, 2^722569710720 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 722569710720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1354598743680).

722569710720 is an abundant number, since it is smaller than the sum of its proper divisors (1986627776640).

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

722569710720 is a wasteful number, since it uses less digits than its factorization.

722569710720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304 (or 3292 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 48.

The spelling of 722569710720 in words is "seven hundred twenty-two billion, five hundred sixty-nine million, seven hundred ten thousand, seven hundred twenty".