673965444 has 24 divisors (see below), whose sum is σ = 1573242048. Its totient is φ = 224561440.

The previous prime is 673965431. The next prime is 673965469. The reversal of 673965444 is 444569376.

It is a super-2 number, since 2×673965444² = 908458839412234272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673965393 and 673965402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22174 + ... + 42890.

It is an arithmetic number, because the mean of its divisors is an integer number (65551752).

Almost surely, 2^673965444 is an apocalyptic number.

It is an amenable number.

673965444 is an abundant number, since it is smaller than the sum of its proper divisors (899276604).

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

673965444 is a wasteful number, since it uses less digits than its factorization.

673965444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23435 (or 23433 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The square root of 673965444 is about 25960.8444392705. The cubic root of 673965444 is about 876.7569352578.

The spelling of 673965444 in words is "six hundred seventy-three million, nine hundred sixty-five thousand, four hundred forty-four".