673639195 has 16 divisors (see below), whose sum is σ = 864403488. Its totient is φ = 502182400.

The previous prime is 673639193. The next prime is 673639259. The reversal of 673639195 is 591936376.

673639195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 673639195 - 2¹ = 673639193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673639193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30649 + ... + 47818.

It is an arithmetic number, because the mean of its divisors is an integer number (54025218).

Almost surely, 2^673639195 is an apocalyptic number.

673639195 is a deficient number, since it is larger than the sum of its proper divisors (190764293).

673639195 is a wasteful number, since it uses less digits than its factorization.

673639195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78590.

The product of its digits is 918540, while the sum is 49.

The square root of 673639195 is about 25954.5601966206. The cubic root of 673639195 is about 876.6154407428.

The spelling of 673639195 in words is "six hundred seventy-three million, six hundred thirty-nine thousand, one hundred ninety-five".