673673438 has 4 divisors (see below), whose sum is σ = 1010510160. Its totient is φ = 336836718.

The previous prime is 673673437. The next prime is 673673449. The reversal of 673673438 is 834376376.

673673438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 673673392 and 673673401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673673437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168418358 + ... + 168418361.

It is an arithmetic number, because the mean of its divisors is an integer number (252627540).

Almost surely, 2^673673438 is an apocalyptic number.

673673438 is a deficient number, since it is larger than the sum of its proper divisors (336836722).

673673438 is a wasteful number, since it uses less digits than its factorization.

673673438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336836721.

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

The square root of 673673438 is about 25955.2198603672. The cubic root of 673673438 is about 876.6302941115.

The spelling of 673673438 in words is "six hundred seventy-three million, six hundred seventy-three thousand, four hundred thirty-eight".