274427 has 4 divisors (see below), whose sum is σ = 283920. Its totient is φ = 264936.

The previous prime is 274423. The next prime is 274441. The reversal of 274427 is 724472.

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 274427 - 2² = 274423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 274396 and 274405.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274427.

It is not an unprimeable number, because it can be changed into a prime (274423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703 + ... + 4760.

It is an arithmetic number, because the mean of its divisors is an integer number (70980).

2²⁷⁴⁴²⁷ is an apocalyptic number.

274427 is a deficient number, since it is larger than the sum of its proper divisors (9493).

274427 is an equidigital number, since it uses as much as digits as its factorization.

274427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9492.

The product of its digits is 3136, while the sum is 26.

The square root of 274427 is about 523.8578051342. The cubic root of 274427 is about 64.9843749425.

Adding to 274427 its reverse (724472), we get a palindrome (998899).

It can be divided in two parts, 2744 and 27, that multiplied together give a cube (74088 = 42³).

The spelling of 274427 in words is "two hundred seventy-four thousand, four hundred twenty-seven", and thus it is an iban number.