744474744 has 288 divisors, whose sum is σ = 2389467600. Its totient is φ = 208465920.

The previous prime is 744474719. The next prime is 744474751. The reversal of 744474744 is 447474447.

It is a self number, because there is not a number n which added to its sum of digits gives 744474744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12204474 + ... + 12204534.

Almost surely, 2^744474744 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 744474744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194733800).

744474744 is an abundant number, since it is smaller than the sum of its proper divisors (1644992856).

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

744474744 is a wasteful number, since it uses less digits than its factorization.

744474744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 155 counting only the distinct ones).

The product of its digits is 1404928, while the sum is 45.

The square root of 744474744 is about 27285.0644859051. The cubic root of 744474744 is about 906.3236713220.

The spelling of 744474744 in words is "seven hundred forty-four million, four hundred seventy-four thousand, seven hundred forty-four".