273456 has 50 divisors (see below), whose sum is σ = 795212. Its totient is φ = 90720.

The previous prime is 273433. The next prime is 273457. The reversal of 273456 is 654372.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 6 and base 13.

It is not an unprimeable number, because it can be changed into a prime (273457) by changing a digit.

273456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1191 + ... + 1401.

273456 is a Friedman number, since it can be written as 6^7-5*(3*2)^4, using all its digits and the basic arithmetic operations.

2²⁷³⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 273456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397606).

273456 is an abundant number, since it is smaller than the sum of its proper divisors (521756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

273456 is a wasteful number, since it uses less digits than its factorization.

273456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 216 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 273456 is about 522.9302056680. The cubic root of 273456 is about 64.9076400289.

It can be divided in two parts, 273 and 456, that added together give a 6-th power (729 = 3⁶).

The spelling of 273456 in words is "two hundred seventy-three thousand, four hundred fifty-six".