673141187 has 4 divisors (see below), whose sum is σ = 673473360. Its totient is φ = 672809016.

The previous prime is 673141171. The next prime is 673141193. The reversal of 673141187 is 781141376.

It is a happy number.

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 673141187 - 2⁴ = 673141171 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673141187.

It is not an unprimeable number, because it can be changed into a prime (673141787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163028 + ... + 167105.

It is an arithmetic number, because the mean of its divisors is an integer number (168368340).

Almost surely, 2^673141187 is an apocalyptic number.

673141187 is a deficient number, since it is larger than the sum of its proper divisors (332173).

673141187 is a wasteful number, since it uses less digits than its factorization.

673141187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332172.

The product of its digits is 28224, while the sum is 38.

The square root of 673141187 is about 25944.9645788928. The cubic root of 673141187 is about 876.3993660596.

The spelling of 673141187 in words is "six hundred seventy-three million, one hundred forty-one thousand, one hundred eighty-seven".