274912247 has 4 divisors (see below), whose sum is σ = 283780416. Its totient is φ = 266044080.

The previous prime is 274912237. The next prime is 274912249. The reversal of 274912247 is 742219472.

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 274912247 - 2²⁸ = 6476791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 274912247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274912249) 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, 4434038 + ... + 4434099.

It is an arithmetic number, because the mean of its divisors is an integer number (70945104).

Almost surely, 2^274912247 is an apocalyptic number.

274912247 is a deficient number, since it is larger than the sum of its proper divisors (8868169).

274912247 is an equidigital number, since it uses as much as digits as its factorization.

274912247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8868168.

The product of its digits is 56448, while the sum is 38.

The square root of 274912247 is about 16580.4778881672. The cubic root of 274912247 is about 650.2265458844.

The spelling of 274912247 in words is "two hundred seventy-four million, nine hundred twelve thousand, two hundred forty-seven".