274005 has 12 divisors (see below), whose sum is σ = 475020. Its totient is φ = 146112.

The previous prime is 273997. The next prime is 274007. The reversal of 274005 is 500472.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 79524 + 194481 = 282^2 + 441^2 .

It is not a de Polignac number, because 274005 - 2³ = 273997 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3000 + ... + 3089.

It is an arithmetic number, because the mean of its divisors is an integer number (39585).

2²⁷⁴⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

274005 is a deficient number, since it is larger than the sum of its proper divisors (201015).

274005 is a wasteful number, since it uses less digits than its factorization.

274005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6100 (or 6097 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 274005 is about 523.4548691148. The cubic root of 274005 is about 64.9510479557.

Adding to 274005 its reverse (500472), we get a palindrome (774477).

The spelling of 274005 in words is "two hundred seventy-four thousand, five".