743944445072 has 10 divisors (see below), whose sum is σ = 1441392362358. Its totient is φ = 371972222528.

The previous prime is 743944445063. The next prime is 743944445113. The reversal of 743944445072 is 270544449347.

It can be written as a sum of positive squares in only one way, i.e., 722506800016 + 21437645056 = 850004^2 + 146416^2 .

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 as a sum of consecutive naturals, namely, 23248263893 + ... + 23248263924.

Almost surely, 2^743944445072 is an apocalyptic number.

It is an amenable number.

743944445072 is a deficient number, since it is larger than the sum of its proper divisors (697447917286).

743944445072 is a wasteful number, since it uses less digits than its factorization.

743944445072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46496527825 (or 46496527819 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 53.

The spelling of 743944445072 in words is "seven hundred forty-three billion, nine hundred forty-four million, four hundred forty-five thousand, seventy-two".