744523648 has 96 divisors (see below), whose sum is σ = 1662920280. Its totient is φ = 331668480.

The previous prime is 744523643. The next prime is 744523651. The reversal of 744523648 is 846325447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744523643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820411 + ... + 821317.

Almost surely, 2^744523648 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 744523648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (831460140).

744523648 is an abundant number, since it is smaller than the sum of its proper divisors (918396632).

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

744523648 is a wasteful number, since it uses less digits than its factorization.

744523648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 973 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The square root of 744523648 is about 27285.9606391272. The cubic root of 744523648 is about 906.3435161333.

The spelling of 744523648 in words is "seven hundred forty-four million, five hundred twenty-three thousand, six hundred forty-eight".