673443444 has 24 divisors (see below), whose sum is σ = 1571976000. Its totient is φ = 224394304.

The previous prime is 673443439. The next prime is 673443487. The reversal of 673443444 is 444344376.

673443444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×673443444² = 907052144533162272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26632 + ... + 45344.

It is an arithmetic number, because the mean of its divisors is an integer number (65499000).

Almost surely, 2^673443444 is an apocalyptic number.

It is an amenable number.

673443444 is an abundant number, since it is smaller than the sum of its proper divisors (898532556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673443444 is a wasteful number, since it uses less digits than its factorization.

673443444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21719 (or 21717 counting only the distinct ones).

The product of its digits is 387072, while the sum is 39.

The square root of 673443444 is about 25950.7888897428. The cubic root of 673443444 is about 876.5305214099.

The spelling of 673443444 in words is "six hundred seventy-three million, four hundred forty-three thousand, four hundred forty-four".