169042873 has 4 divisors (see below), whose sum is σ = 169077888. Its totient is φ = 169007860.

The previous prime is 169042859. The next prime is 169042889. The reversal of 169042873 is 378240961.

169042873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 169042873 - 2¹⁷ = 168911801 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (169042843) 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, 8833 + ... + 20398.

It is an arithmetic number, because the mean of its divisors is an integer number (42269472).

Almost surely, 2^169042873 is an apocalyptic number.

It is an amenable number.

169042873 is a deficient number, since it is larger than the sum of its proper divisors (35015).

169042873 is an equidigital number, since it uses as much as digits as its factorization.

169042873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35014.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 169042873 is about 13001.6488569719. The cubic root of 169042873 is about 552.9242299125.

The spelling of 169042873 in words is "one hundred sixty-nine million, forty-two thousand, eight hundred seventy-three".