744740736 has 256 divisors, whose sum is σ = 2210250240. Its totient is φ = 221405184.

The previous prime is 744740729. The next prime is 744740741. The reversal of 744740736 is 637047447.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14051686 + ... + 14051738.

It is an arithmetic number, because the mean of its divisors is an integer number (8633790).

Almost surely, 2^744740736 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 744740736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105125120).

744740736 is an abundant number, since it is smaller than the sum of its proper divisors (1465509504).

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

744740736 is a wasteful number, since it uses less digits than its factorization.

744740736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The square root of 744740736 is about 27289.9383656321. The cubic root of 744740736 is about 906.4315980371.

The spelling of 744740736 in words is "seven hundred forty-four million, seven hundred forty thousand, seven hundred thirty-six".