744856944 has 80 divisors (see below), whose sum is σ = 2087595552. Its totient is φ = 227487744.

The previous prime is 744856927. The next prime is 744856949. The reversal of 744856944 is 449658447.

It is a happy number.

744856944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744856949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81132 + ... + 89844.

Almost surely, 2^744856944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744856944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1043797776).

744856944 is an abundant number, since it is smaller than the sum of its proper divisors (1342738608).

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

744856944 is a wasteful number, since it uses less digits than its factorization.

744856944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8874 (or 8868 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 51.

The square root of 744856944 is about 27292.0674189406. The cubic root of 744856944 is about 906.4787415685.

The spelling of 744856944 in words is "seven hundred forty-four million, eight hundred fifty-six thousand, nine hundred forty-four".