272045 has 4 divisors (see below), whose sum is σ = 326460. Its totient is φ = 217632.

The previous prime is 272039. The next prime is 272053. The reversal of 272045 is 540272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68644 + 203401 = 262^2 + 451^2 .

It is a cyclic number.

It is not a de Polignac number, because 272045 - 2⁴ = 272029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27200 + ... + 27209.

It is an arithmetic number, because the mean of its divisors is an integer number (81615).

2²⁷²⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

272045 is a deficient number, since it is larger than the sum of its proper divisors (54415).

272045 is an equidigital number, since it uses as much as digits as its factorization.

272045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54414.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 272045 is about 521.5793324126. The cubic root of 272045 is about 64.7958089298.

The spelling of 272045 in words is "two hundred seventy-two thousand, forty-five".