722774745 has 240 divisors, whose sum is σ = 1699420800. Its totient is φ = 293388480.

The previous prime is 722774711. The next prime is 722774753. The reversal of 722774745 is 547477227.

722774745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722774745 - 2⁶ = 722774681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 722774745.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 16808694 + ... + 16808736.

It is an arithmetic number, because the mean of its divisors is an integer number (7080920).

Almost surely, 2^722774745 is an apocalyptic number.

It is an amenable number.

722774745 is an abundant number, since it is smaller than the sum of its proper divisors (976646055).

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

722774745 is a wasteful number, since it uses less digits than its factorization.

722774745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 69 counting only the distinct ones).

The product of its digits is 768320, while the sum is 45.

The square root of 722774745 is about 26884.4703314014. The cubic root of 722774745 is about 897.4308396621.

The spelling of 722774745 in words is "seven hundred twenty-two million, seven hundred seventy-four thousand, seven hundred forty-five".