744380928 has 240 divisors, whose sum is σ = 2311685376. Its totient is φ = 238878720.

The previous prime is 744380891. The next prime is 744380929. The reversal of 744380928 is 829083447.

It is not an unprimeable number, because it can be changed into a prime (744380929) 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, 3856800 + ... + 3856992.

Almost surely, 2^744380928 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 744380928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1155842688).

744380928 is an abundant number, since it is smaller than the sum of its proper divisors (1567304448).

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

744380928 is an equidigital number, since it uses as much as digits as its factorization.

744380928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 744380928 is about 27283.3452494374. The cubic root of 744380928 is about 906.2855991850.

The spelling of 744380928 in words is "seven hundred forty-four million, three hundred eighty thousand, nine hundred twenty-eight".