673400404 has 24 divisors (see below), whose sum is σ = 1212382080. Its totient is φ = 327129504.

The previous prime is 673400393. The next prime is 673400419. The reversal of 673400404 is 404004376.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6417 + ... + 37255.

It is an arithmetic number, because the mean of its divisors is an integer number (50515920).

Almost surely, 2^673400404 is an apocalyptic number.

It is an amenable number.

673400404 is a deficient number, since it is larger than the sum of its proper divisors (538981676).

673400404 is a wasteful number, since it uses less digits than its factorization.

673400404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30999 (or 30997 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 673400404 is about 25949.9596146121. The cubic root of 673400404 is about 876.5118478906.

The spelling of 673400404 in words is "six hundred seventy-three million, four hundred thousand, four hundred four".