744661683 has 6 divisors (see below), whose sum is σ = 1075622444. Its totient is φ = 496441116.

The previous prime is 744661679. The next prime is 744661711. The reversal of 744661683 is 386166447.

It is a happy number.

It is not a de Polignac number, because 744661683 - 2² = 744661679 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (744661283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41370085 + ... + 41370102.

Almost surely, 2^744661683 is an apocalyptic number.

744661683 is a deficient number, since it is larger than the sum of its proper divisors (330960761).

744661683 is a wasteful number, since it uses less digits than its factorization.

744661683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82740193 (or 82740190 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 744661683 is about 27288.4899362350. The cubic root of 744661683 is about 906.3995248295.

The spelling of 744661683 in words is "seven hundred forty-four million, six hundred sixty-one thousand, six hundred eighty-three".