273745 has 8 divisors (see below), whose sum is σ = 335016. Its totient is φ = 214656.

The previous prime is 273739. The next prime is 273773. The reversal of 273745 is 547372.

It can be written as a sum of positive squares in 4 ways, for example, as 123201 + 150544 = 351^2 + 388^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 273745 - 2⁷ = 273617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252 + ... + 781.

It is an arithmetic number, because the mean of its divisors is an integer number (41877).

2²⁷³⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

273745 is a deficient number, since it is larger than the sum of its proper divisors (61271).

273745 is a wasteful number, since it uses less digits than its factorization.

273745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091.

The product of its digits is 5880, while the sum is 28.

The square root of 273745 is about 523.2064602048. The cubic root of 273745 is about 64.9304977021.

The spelling of 273745 in words is "two hundred seventy-three thousand, seven hundred forty-five".