673040187 has 12 divisors (see below), whose sum is σ = 972498384. Its totient is φ = 448541520.

The previous prime is 673040167. The next prime is 673040189. The reversal of 673040187 is 781040376.

It is not a de Polignac number, because 673040187 - 2²² = 668845883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673040189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19762 + ... + 41672.

It is an arithmetic number, because the mean of its divisors is an integer number (81041532).

Almost surely, 2^673040187 is an apocalyptic number.

673040187 is a deficient number, since it is larger than the sum of its proper divisors (299458197).

673040187 is a wasteful number, since it uses less digits than its factorization.

673040187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25330 (or 25327 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 673040187 is about 25943.0180780880. The cubic root of 673040187 is about 876.3555313906.

The spelling of 673040187 in words is "six hundred seventy-three million, forty thousand, one hundred eighty-seven".