273873 has 4 divisors (see below), whose sum is σ = 365168. Its totient is φ = 182580.

The previous prime is 273857. The next prime is 273881. The reversal of 273873 is 378372.

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 not a de Polignac number, because 273873 - 2⁴ = 273857 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

273873 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 273873.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 273873.

It is not an unprimeable number, because it can be changed into a prime (273803) 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, 45643 + ... + 45648.

It is an arithmetic number, because the mean of its divisors is an integer number (91292).

2²⁷³⁸⁷³ is an apocalyptic number.

It is an amenable number.

273873 is a deficient number, since it is larger than the sum of its proper divisors (91295).

273873 is an equidigital number, since it uses as much as digits as its factorization.

273873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91294.

The product of its digits is 7056, while the sum is 30.

The square root of 273873 is about 523.3287685576. The cubic root of 273873 is about 64.9406163754.

The spelling of 273873 in words is "two hundred seventy-three thousand, eight hundred seventy-three".