744673312 has 48 divisors (see below), whose sum is σ = 1506460032. Its totient is φ = 362154240.

The previous prime is 744673249. The next prime is 744673357. The reversal of 744673312 is 213376447.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371898 + ... + 373894.

It is an arithmetic number, because the mean of its divisors is an integer number (31384584).

Almost surely, 2^744673312 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 744673312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753230016).

744673312 is an abundant number, since it is smaller than the sum of its proper divisors (761786720).

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

744673312 is a wasteful number, since it uses less digits than its factorization.

744673312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2313 counting only the distinct ones).

The product of its digits is 84672, while the sum is 37.

The square root of 744673312 is about 27288.7030105866. The cubic root of 744673312 is about 906.4042430639.

The spelling of 744673312 in words is "seven hundred forty-four million, six hundred seventy-three thousand, three hundred twelve".