274538 has 8 divisors (see below), whose sum is σ = 449280. Its totient is φ = 124780.

The previous prime is 274529. The next prime is 274579. The reversal of 274538 is 835472.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×274538² = 150742226888, which contains 22 as substring.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 274538.

It is an unprimeable number.

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, 6218 + ... + 6261.

It is an arithmetic number, because the mean of its divisors is an integer number (56160).

2²⁷⁴⁵³⁸ is an apocalyptic number.

274538 is a deficient number, since it is larger than the sum of its proper divisors (174742).

274538 is a wasteful number, since it uses less digits than its factorization.

274538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12492.

The product of its digits is 6720, while the sum is 29.

The square root of 274538 is about 523.9637392034. The cubic root of 274538 is about 64.9931353697.

The spelling of 274538 in words is "two hundred seventy-four thousand, five hundred thirty-eight".