744691694 has 4 divisors (see below), whose sum is σ = 1117037544. Its totient is φ = 372345846.

The previous prime is 744691693. The next prime is 744691697. The reversal of 744691694 is 496196447.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×744691694² = 1109131438225179272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (744691691) by changing a digit.

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, 186172922 + ... + 186172925.

It is an arithmetic number, because the mean of its divisors is an integer number (279259386).

Almost surely, 2^744691694 is an apocalyptic number.

744691694 is a deficient number, since it is larger than the sum of its proper divisors (372345850).

744691694 is a wasteful number, since it uses less digits than its factorization.

744691694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372345849.

The product of its digits is 1306368, while the sum is 50.

The square root of 744691694 is about 27289.0398145483. The cubic root of 744691694 is about 906.4117010930.

The spelling of 744691694 in words is "seven hundred forty-four million, six hundred ninety-one thousand, six hundred ninety-four".