274349305 has 8 divisors (see below), whose sum is σ = 329544072. Its totient is φ = 219262848.

The previous prime is 274349297. The next prime is 274349311. The reversal of 274349305 is 503943472.

It can be written as a sum of positive squares in 4 ways, for example, as 168506361 + 105842944 = 12981^2 + 10288^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 274349305 - 2³ = 274349297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21394 + ... + 31723.

It is an arithmetic number, because the mean of its divisors is an integer number (41193009).

Almost surely, 2^274349305 is an apocalyptic number.

It is an amenable number.

274349305 is a deficient number, since it is larger than the sum of its proper divisors (55194767).

274349305 is a wasteful number, since it uses less digits than its factorization.

274349305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54155.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 274349305 is about 16563.4931400354. The cubic root of 274349305 is about 649.7824163251.

The spelling of 274349305 in words is "two hundred seventy-four million, three hundred forty-nine thousand, three hundred five".