273345 has 8 divisors (see below), whose sum is σ = 437376. Its totient is φ = 145776.

The previous prime is 273323. The next prime is 273349. The reversal of 273345 is 543372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 273345 - 2⁵ = 273313 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (273349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9097 + ... + 9126.

It is an arithmetic number, because the mean of its divisors is an integer number (54672).

2²⁷³³⁴⁵ is an apocalyptic number.

It is an amenable number.

273345 is a deficient number, since it is larger than the sum of its proper divisors (164031).

273345 is a wasteful number, since it uses less digits than its factorization.

273345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18231.

The product of its digits is 2520, while the sum is 24.

The square root of 273345 is about 522.8240621854. The cubic root of 273345 is about 64.8988565036.

The spelling of 273345 in words is "two hundred seventy-three thousand, three hundred forty-five".