673197803 has 4 divisors (see below), whose sum is σ = 679733808. Its totient is φ = 666661800.

The previous prime is 673197781. The next prime is 673197859. The reversal of 673197803 is 308791376.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 673197803 - 2²⁰ = 672149227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673197893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3267848 + ... + 3268053.

It is an arithmetic number, because the mean of its divisors is an integer number (169933452).

Almost surely, 2^673197803 is an apocalyptic number.

673197803 is a deficient number, since it is larger than the sum of its proper divisors (6536005).

673197803 is a wasteful number, since it uses less digits than its factorization.

673197803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536004.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 673197803 is about 25946.0556347203. The cubic root of 673197803 is about 876.4239358608.

The spelling of 673197803 in words is "six hundred seventy-three million, one hundred ninety-seven thousand, eight hundred three".