274490345 has 4 divisors (see below), whose sum is σ = 329388420. Its totient is φ = 219592272.

The previous prime is 274490299. The next prime is 274490351. The reversal of 274490345 is 543094472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86471401 + 188018944 = 9299^2 + 13712^2 .

It is a cyclic number.

It is not a de Polignac number, because 274490345 - 2¹² = 274486249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 274490299 and 274490308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27449030 + ... + 27449039.

It is an arithmetic number, because the mean of its divisors is an integer number (82347105).

Almost surely, 2^274490345 is an apocalyptic number.

It is an amenable number.

274490345 is a deficient number, since it is larger than the sum of its proper divisors (54898075).

274490345 is an equidigital number, since it uses as much as digits as its factorization.

274490345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54898074.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 274490345 is about 16567.7501490094. The cubic root of 274490345 is about 649.8937459454.

The spelling of 274490345 in words is "two hundred seventy-four million, four hundred ninety thousand, three hundred forty-five".