274663 has 4 divisors (see below), whose sum is σ = 275800. Its totient is φ = 273528.

The previous prime is 274661. The next prime is 274667. The reversal of 274663 is 366472.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 274663 - 2¹ = 274661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45 + ... + 742.

It is an arithmetic number, because the mean of its divisors is an integer number (68950).

2²⁷⁴⁶⁶³ is an apocalyptic number.

274663 is a deficient number, since it is larger than the sum of its proper divisors (1137).

274663 is an equidigital number, since it uses as much as digits as its factorization.

274663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its digits is 6048, while the sum is 28.

The square root of 274663 is about 524.0830086923. The cubic root of 274663 is about 65.0029978893.

Subtracting 274663 from its reverse (366472), we obtain a square (91809 = 303²).

It can be divided in two parts, 2746 and 63, that added together give a square (2809 = 53²).

The spelling of 274663 in words is "two hundred seventy-four thousand, six hundred sixty-three".