744804338 has 4 divisors (see below), whose sum is σ = 1117206510. Its totient is φ = 372402168.

The previous prime is 744804317. The next prime is 744804349. The reversal of 744804338 is 833408447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 833408447 = 373 ⋅2234339.

It can be written as a sum of positive squares in only one way, i.e., 472323289 + 272481049 = 21733^2 + 16507^2 .

It is a junction number, because it is equal to n+sod(n) for n = 744804295 and 744804304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186201083 + ... + 186201086.

Almost surely, 2^744804338 is an apocalyptic number.

744804338 is a deficient number, since it is larger than the sum of its proper divisors (372402172).

744804338 is a wasteful number, since it uses less digits than its factorization.

744804338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372402171.

The product of its (nonzero) digits is 258048, while the sum is 41.

The square root of 744804338 is about 27291.1036420296. The cubic root of 744804338 is about 906.4574008517.

The spelling of 744804338 in words is "seven hundred forty-four million, eight hundred four thousand, three hundred thirty-eight".