673705404 has 24 divisors (see below), whose sum is σ = 1746643920. Its totient is φ = 224568432.

The previous prime is 673705391. The next prime is 673705421. The reversal of 673705404 is 404507376.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3118899 + ... + 3119114.

It is an arithmetic number, because the mean of its divisors is an integer number (72776830).

Almost surely, 2^673705404 is an apocalyptic number.

It is an amenable number.

673705404 is an abundant number, since it is smaller than the sum of its proper divisors (1072938516).

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

673705404 is a wasteful number, since it uses less digits than its factorization.

673705404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238026 (or 6238018 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 673705404 is about 25955.8356444172. The cubic root of 673705404 is about 876.6441593461.

The spelling of 673705404 in words is "six hundred seventy-three million, seven hundred five thousand, four hundred four".