673397344 has 12 divisors (see below), whose sum is σ = 1325751084. Its totient is φ = 336698656.

The previous prime is 673397339. The next prime is 673397357. The reversal of 673397344 is 443793376.

It is a junction number, because it is equal to n+sod(n) for n = 673397294 and 673397303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10521802 + ... + 10521865.

It is an arithmetic number, because the mean of its divisors is an integer number (110479257).

Almost surely, 2^673397344 is an apocalyptic number.

It is an amenable number.

673397344 is a deficient number, since it is larger than the sum of its proper divisors (652353740).

673397344 is a wasteful number, since it uses less digits than its factorization.

673397344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21043677 (or 21043669 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 46.

The square root of 673397344 is about 25949.9006549158. The cubic root of 673397344 is about 876.5105202356.

The spelling of 673397344 in words is "six hundred seventy-three million, three hundred ninety-seven thousand, three hundred forty-four".