744807742 has 12 divisors (see below), whose sum is σ = 1299613680. Its totient is φ = 319203276.

The previous prime is 744807737. The next prime is 744807751. The reversal of 744807742 is 247708447.

It is a happy number.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 3799942 + ... + 3800137.

It is an arithmetic number, because the mean of its divisors is an integer number (108301140).

Almost surely, 2^744807742 is an apocalyptic number.

744807742 is a deficient number, since it is larger than the sum of its proper divisors (554805938).

744807742 is a wasteful number, since it uses less digits than its factorization.

744807742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600095 (or 7600088 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 43.

The square root of 744807742 is about 27291.1660066037. The cubic root of 744807742 is about 906.4587817854.

The spelling of 744807742 in words is "seven hundred forty-four million, eight hundred seven thousand, seven hundred forty-two".