673347944 has 16 divisors (see below), whose sum is σ = 1289390400. Its totient is φ = 329510512.

The previous prime is 673347937. The next prime is 673347949. The reversal of 673347944 is 449743376.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (673347949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 895034 + ... + 895785.

It is an arithmetic number, because the mean of its divisors is an integer number (80586900).

Almost surely, 2^673347944 is an apocalyptic number.

It is an amenable number.

673347944 is a deficient number, since it is larger than the sum of its proper divisors (616042456).

673347944 is a wasteful number, since it uses less digits than its factorization.

673347944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790872 (or 1790868 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 47.

The square root of 673347944 is about 25948.9488033716. The cubic root of 673347944 is about 876.4890862937.

The spelling of 673347944 in words is "six hundred seventy-three million, three hundred forty-seven thousand, nine hundred forty-four".