8173873 has 4 divisors (see below), whose sum is σ = 8209188. Its totient is φ = 8138560.

The previous prime is 8173871. The next prime is 8173903. The reversal of 8173873 is 3783718.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3783718 = 2 ⋅1891859.

It can be written as a sum of positive squares in 2 ways, for example, as 4460544 + 3713329 = 2112^2 + 1927^2 .

It is a cyclic number.

It is not a de Polignac number, because 8173873 - 2¹ = 8173871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8173871) 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, 17308 + ... + 17773.

It is an arithmetic number, because the mean of its divisors is an integer number (2052297).

Almost surely, 2^8173873 is an apocalyptic number.

It is an amenable number.

8173873 is a deficient number, since it is larger than the sum of its proper divisors (35315).

8173873 is a wasteful number, since it uses less digits than its factorization.

8173873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35314.

The product of its digits is 28224, while the sum is 37.

The square root of 8173873 is about 2858.9986009091. The cubic root of 8173873 is about 201.4385694473.

The spelling of 8173873 in words is "eight million, one hundred seventy-three thousand, eight hundred seventy-three".