274979 has 4 divisors (see below), whose sum is σ = 278376. Its totient is φ = 271584.

The previous prime is 274973. The next prime is 274993. The reversal of 274979 is 979472.

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 274979 - 2⁸ = 274723 is a prime.

It is a super-2 number, since 2×274979² = 151226900882, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (274973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1574 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (69594).

2²⁷⁴⁹⁷⁹ is an apocalyptic number.

274979 is a deficient number, since it is larger than the sum of its proper divisors (3397).

274979 is an equidigital number, since it uses as much as digits as its factorization.

274979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396.

The product of its digits is 31752, while the sum is 38.

The square root of 274979 is about 524.3844009884. The cubic root of 274979 is about 65.0279170022.

The spelling of 274979 in words is "two hundred seventy-four thousand, nine hundred seventy-nine".