722897703648 has 120 divisors (see below), whose sum is σ = 2126278023408. Its totient is φ = 240936892416.

The previous prime is 722897703613. The next prime is 722897703673. The reversal of 722897703648 is 846307798227.

It is a super-3 number, since 3×722897703648³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39059965 + ... + 39078467.

Almost surely, 2^722897703648 is an apocalyptic number.

It is an amenable number.

722897703648 is an abundant number, since it is smaller than the sum of its proper divisors (1403380319760).

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

722897703648 is a wasteful number, since it uses less digits than its factorization.

722897703648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33598 (or 33581 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 63.

The spelling of 722897703648 in words is "seven hundred twenty-two billion, eight hundred ninety-seven million, seven hundred three thousand, six hundred forty-eight".