274247 has 4 divisors (see below), whose sum is σ = 276360. Its totient is φ = 272136.

The previous prime is 274243. The next prime is 274259. The reversal of 274247 is 742472.

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 274247 - 2² = 274243 is a prime.

It is a super-2 number, since 2×274247² = 150422834018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 274247.

It is not an unprimeable number, because it can be changed into a prime (274243) 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, 848 + ... + 1125.

It is an arithmetic number, because the mean of its divisors is an integer number (69090).

2²⁷⁴²⁴⁷ is an apocalyptic number.

274247 is a deficient number, since it is larger than the sum of its proper divisors (2113).

274247 is a wasteful number, since it uses less digits than its factorization.

274247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112.

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

The square root of 274247 is about 523.6859746069. The cubic root of 274247 is about 64.9701638215.

The spelling of 274247 in words is "two hundred seventy-four thousand, two hundred forty-seven", and thus it is an iban number.