722791500488 has 12 divisors (see below), whose sum is σ = 1355238572145. Its totient is φ = 361394547920.

The previous prime is 722791500373. The next prime is 722791500491. The reversal of 722791500488 is 884005197227.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 538494727684 + 184296772804 = 733822^2 + 429298^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=601162.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2254358 + ... + 2554938.

Almost surely, 2^722791500488 is an apocalyptic number.

It is an amenable number.

722791500488 is a deficient number, since it is larger than the sum of its proper divisors (632447071657).

722791500488 is an frugal number, since it uses more digits than its factorization.

722791500488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601168 (or 300583 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 722791500488 in words is "seven hundred twenty-two billion, seven hundred ninety-one million, five hundred thousand, four hundred eighty-eight".