744531774 has 96 divisors (see below), whose sum is σ = 1803220992. Its totient is φ = 204120000.

The previous prime is 744531737. The next prime is 744531791. The reversal of 744531774 is 477135447.

It is a happy number.

744531774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

Its product of digits (329280) is a multiple of the sum of its prime divisors (735).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1375944 + ... + 1376484.

It is an arithmetic number, because the mean of its divisors is an integer number (18783552).

Almost surely, 2^744531774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 744531774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (901610496).

744531774 is an abundant number, since it is smaller than the sum of its proper divisors (1058689218).

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

744531774 is a wasteful number, since it uses less digits than its factorization.

744531774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 735 counting only the distinct ones).

The product of its digits is 329280, while the sum is 42.

The square root of 744531774 is about 27286.1095431357. The cubic root of 744531774 is about 906.3468135081.

The spelling of 744531774 in words is "seven hundred forty-four million, five hundred thirty-one thousand, seven hundred seventy-four".