673694906 has 8 divisors (see below), whose sum is σ = 1011934560. Its totient is φ = 336383388.

The previous prime is 673694899. The next prime is 673694929. The reversal of 673694906 is 609496376.

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

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, 230216 + ... + 233123.

It is an arithmetic number, because the mean of its divisors is an integer number (126491820).

Almost surely, 2^673694906 is an apocalyptic number.

673694906 is a deficient number, since it is larger than the sum of its proper divisors (338239654).

673694906 is a wasteful number, since it uses less digits than its factorization.

673694906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464068.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The square root of 673694906 is about 25955.6334155035. The cubic root of 673694906 is about 876.6396058928.

The spelling of 673694906 in words is "six hundred seventy-three million, six hundred ninety-four thousand, nine hundred six".