673444737 has 12 divisors (see below), whose sum is σ = 1111718400. Its totient is φ = 384825528.

The previous prime is 673444679. The next prime is 673444741. The reversal of 673444737 is 737444376.

It is not a de Polignac number, because 673444737 - 2⁸ = 673444481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 673444692 and 673444701.

It is not an unprimeable number, because it can be changed into a prime (673444747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5344737 + ... + 5344862.

It is an arithmetic number, because the mean of its divisors is an integer number (92643200).

Almost surely, 2^673444737 is an apocalyptic number.

It is an amenable number.

673444737 is a deficient number, since it is larger than the sum of its proper divisors (438273663).

673444737 is a wasteful number, since it uses less digits than its factorization.

673444737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10689612 (or 10689609 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 45.

The square root of 673444737 is about 25950.8138022683. The cubic root of 673444737 is about 876.5310823841.

The spelling of 673444737 in words is "six hundred seventy-three million, four hundred forty-four thousand, seven hundred thirty-seven".