744554772 has 72 divisors (see below), whose sum is σ = 2042966016. Its totient is φ = 227271744.

The previous prime is 744554753. The next prime is 744554773. The reversal of 744554772 is 277455447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744554773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53173 + ... + 65699.

It is an arithmetic number, because the mean of its divisors is an integer number (28374528).

Almost surely, 2^744554772 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 744554772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021483008).

744554772 is an abundant number, since it is smaller than the sum of its proper divisors (1298411244).

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

744554772 is a wasteful number, since it uses less digits than its factorization.

744554772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12677 (or 12672 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 45.

The square root of 744554772 is about 27286.5309630961. The cubic root of 744554772 is about 906.3561455251.

The spelling of 744554772 in words is "seven hundred forty-four million, five hundred fifty-four thousand, seven hundred seventy-two".