273805056 has 144 divisors (see below), whose sum is σ = 925523200. Its totient is φ = 78216192.

The previous prime is 273805031. The next prime is 273805061. The reversal of 273805056 is 650508372.

273805056 is a `hidden beast` number, since 2 + 73 + 80 + 505 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 273805056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45555 + ... + 51213.

Almost surely, 2^273805056 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 273805056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462761600).

273805056 is an abundant number, since it is smaller than the sum of its proper divisors (651718144).

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

273805056 is an equidigital number, since it uses as much as digits as its factorization.

273805056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 273805056 is about 16547.0558106269. The cubic root of 273805056 is about 649.3524564986.

It can be divided in two parts, 27 and 3805056, that added together give a palindrome (3805083).

The spelling of 273805056 in words is "two hundred seventy-three million, eight hundred five thousand, fifty-six".