2873173 has 4 divisors (see below), whose sum is σ = 2965888. Its totient is φ = 2780460.

The previous prime is 2873149. The next prime is 2873177. The reversal of 2873173 is 3713782.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3713782 = 2 ⋅1856891.

It is a cyclic number.

It is not a de Polignac number, because 2873173 - 2⁵ = 2873141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 92683 = 2873173 / (2 + 8 + 7 + 3 + 1 + 7 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2873177) 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, 46311 + ... + 46372.

It is an arithmetic number, because the mean of its divisors is an integer number (741472).

2^2873173 is an apocalyptic number.

It is an amenable number.

2873173 is a deficient number, since it is larger than the sum of its proper divisors (92715).

2873173 is an equidigital number, since it uses as much as digits as its factorization.

2873173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92714.

The product of its digits is 7056, while the sum is 31.

The square root of 2873173 is about 1695.0436572549. The cubic root of 2873173 is about 142.1632223494.

The spelling of 2873173 in words is "two million, eight hundred seventy-three thousand, one hundred seventy-three".