673667678 has 8 divisors (see below), whose sum is σ = 1010781072. Its totient is φ = 336740656.

The previous prime is 673667669. The next prime is 673667707. The reversal of 673667678 is 876766376.

673667678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37175 + ... + 52242.

It is an arithmetic number, because the mean of its divisors is an integer number (126347634).

Almost surely, 2^673667678 is an apocalyptic number.

673667678 is a deficient number, since it is larger than the sum of its proper divisors (337113394).

673667678 is a wasteful number, since it uses less digits than its factorization.

673667678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93186.

The product of its digits is 10668672, while the sum is 56.

The square root of 673667678 is about 25955.1088997908. The cubic root of 673667678 is about 876.6277956681.

The spelling of 673667678 in words is "six hundred seventy-three million, six hundred sixty-seven thousand, six hundred seventy-eight".