673406814 has 16 divisors (see below), whose sum is σ = 1352596752. Its totient is φ = 223505088.

The previous prime is 673406809. The next prime is 673406863. The reversal of 673406814 is 418604376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239449 + ... + 242244.

It is an arithmetic number, because the mean of its divisors is an integer number (84537297).

Almost surely, 2^673406814 is an apocalyptic number.

673406814 is an abundant number, since it is smaller than the sum of its proper divisors (679189938).

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

673406814 is a wasteful number, since it uses less digits than its factorization.

673406814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481931.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 673406814 is about 25950.0831212542. The cubic root of 673406814 is about 876.5146290112.

The spelling of 673406814 in words is "six hundred seventy-three million, four hundred six thousand, eight hundred fourteen".