707220907056 has 160 divisors (see below), whose sum is σ = 2080216232640. Its totient is φ = 229911091200.

The previous prime is 707220907039. The next prime is 707220907087. The reversal of 707220907056 is 650709022707.

It is a super-2 number, since 2×707220907056² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73198866 + ... + 73208526.

It is an arithmetic number, because the mean of its divisors is an integer number (13001351454).

Almost surely, 2^707220907056 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 707220907056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1040108116320).

707220907056 is an abundant number, since it is smaller than the sum of its proper divisors (1372995325584).

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

707220907056 is a wasteful number, since it uses less digits than its factorization.

707220907056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13852 (or 13840 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 707220907056 in words is "seven hundred seven billion, two hundred twenty million, nine hundred seven thousand, fifty-six".