743340644 has 24 divisors (see below), whose sum is σ = 1346889600. Its totient is φ = 358537760.

The previous prime is 743340607. The next prime is 743340649. The reversal of 743340644 is 446043347.

It is a happy number.

743340644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (743340649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180197 + ... + 184275.

It is an arithmetic number, because the mean of its divisors is an integer number (56120400).

Almost surely, 2^743340644 is an apocalyptic number.

It is an amenable number.

743340644 is a deficient number, since it is larger than the sum of its proper divisors (603548956).

743340644 is a wasteful number, since it uses less digits than its factorization.

743340644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5683 (or 5681 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 35.

The square root of 743340644 is about 27264.2741330115. The cubic root of 743340644 is about 905.8632195923.

The spelling of 743340644 in words is "seven hundred forty-three million, three hundred forty thousand, six hundred forty-four".