744911138 has 8 divisors (see below), whose sum is σ = 1135684380. Its totient is φ = 366349680.

The previous prime is 744911071. The next prime is 744911161. The reversal of 744911138 is 831119447.

It can be written as a sum of positive squares in 2 ways, for example, as 461089729 + 283821409 = 21473^2 + 16847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3052793 + ... + 3053036.

Almost surely, 2^744911138 is an apocalyptic number.

744911138 is a deficient number, since it is larger than the sum of its proper divisors (390773242).

744911138 is a wasteful number, since it uses less digits than its factorization.

744911138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6105892.

The product of its digits is 24192, while the sum is 38.

The square root of 744911138 is about 27293.0602534784. The cubic root of 744911138 is about 906.5007254398.

The spelling of 744911138 in words is "seven hundred forty-four million, nine hundred eleven thousand, one hundred thirty-eight".