722970872064 has 432 divisors, whose sum is σ = 2459895459840. Its totient is φ = 199914946560.

The previous prime is 722970872009. The next prime is 722970872083. The reversal of 722970872064 is 460278079227.

It is a happy number.

722970872064 is a `hidden beast` number, since 72 + 297 + 0 + 87 + 206 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 722970872064.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83974192 + ... + 83982800.

Almost surely, 2^722970872064 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 722970872064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229947729920).

722970872064 is an abundant number, since it is smaller than the sum of its proper divisors (1736924587776).

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

722970872064 is a wasteful number, since it uses less digits than its factorization.

722970872064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806 (or 8789 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 722970872064 in words is "seven hundred twenty-two billion, nine hundred seventy million, eight hundred seventy-two thousand, sixty-four".