744856504722 has 54 divisors (see below), whose sum is σ = 1774003499541. Its totient is φ = 225701886960.

The previous prime is 744856504681. The next prime is 744856504751. The reversal of 744856504722 is 227405658447.

744856504722 is a `hidden beast` number, since 7 + 4 + 4 + 8 + 565 + 0 + 4 + 72 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 738033909921 + 6822594801 = 859089^2 + 82599^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=610269.

It is a super-2 number, since 2×744856504722² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 40268508 + ... + 40287000.

Almost surely, 2^744856504722 is an apocalyptic number.

744856504722 is an abundant number, since it is smaller than the sum of its proper divisors (1029146994819).

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

744856504722 is an equidigital number, since it uses as much as digits as its factorization.

744856504722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37016 (or 18509 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 54.

The spelling of 744856504722 in words is "seven hundred forty-four billion, eight hundred fifty-six million, five hundred four thousand, seven hundred twenty-two".