744544 has 24 divisors (see below), whose sum is σ = 1496880. Its totient is φ = 364416.

The previous prime is 744539. The next prime is 744547. The reversal of 744544 is 445447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1477 + ... + 1915.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2⁷⁴⁴⁵⁴⁴ 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 744544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748440).

744544 is an abundant number, since it is smaller than the sum of its proper divisors (752336).

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

744544 is a wasteful number, since it uses less digits than its factorization.

744544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 494 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 744544 is about 862.8696309409. The cubic root of 744544 is about 90.6351774539.

It can be divided in two parts, 7 and 44544, that added together give a triangular number (44551 = T₂₉₈).

The spelling of 744544 in words is "seven hundred forty-four thousand, five hundred forty-four".