722463880 has 16 divisors (see below), whose sum is σ = 1625543820. Its totient is φ = 288985536.

The previous prime is 722463851. The next prime is 722463901. The reversal of 722463880 is 88364227.

722463880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 722211876 + 252004 = 26874^2 + 502^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 18061597 = 722463880 / (7 + 2 + 2 + 4 + 6 + 3 + 8 + 8 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9030759 + ... + 9030838.

Almost surely, 2^722463880 is an apocalyptic number.

It is an amenable number.

722463880 is an abundant number, since it is smaller than the sum of its proper divisors (903079940).

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

722463880 is a wasteful number, since it uses less digits than its factorization.

722463880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18061608 (or 18061604 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 722463880 is about 26878.6882120389. The cubic root of 722463880 is about 897.3021597168.

The spelling of 722463880 in words is "seven hundred twenty-two million, four hundred sixty-three thousand, eight hundred eighty".