274879 has 4 divisors (see below), whose sum is σ = 299880. Its totient is φ = 249880.

The previous prime is 274871. The next prime is 274889. The reversal of 274879 is 978472.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 274879 - 2³ = 274871 is a prime.

It is an Ulam number.

It is a Duffinian number.

274879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274871) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12484 + ... + 12505.

It is an arithmetic number, because the mean of its divisors is an integer number (74970).

2²⁷⁴⁸⁷⁹ is an apocalyptic number.

274879 is a deficient number, since it is larger than the sum of its proper divisors (25001).

274879 is a wasteful number, since it uses less digits than its factorization.

274879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000.

The product of its digits is 28224, while the sum is 37.

The square root of 274879 is about 524.2890424184. The cubic root of 274879 is about 65.0200332728.

The spelling of 274879 in words is "two hundred seventy-four thousand, eight hundred seventy-nine".