274330945 has 16 divisors (see below), whose sum is σ = 376508160. Its totient is φ = 187971264.

The previous prime is 274330933. The next prime is 274330951. The reversal of 274330945 is 549033472.

It is a cyclic number.

It is not a de Polignac number, because 274330945 - 2¹⁷ = 274199873 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69084 + ... + 72946.

It is an arithmetic number, because the mean of its divisors is an integer number (23531760).

Almost surely, 2^274330945 is an apocalyptic number.

It is an amenable number.

274330945 is a deficient number, since it is larger than the sum of its proper divisors (102177215).

274330945 is a wasteful number, since it uses less digits than its factorization.

274330945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904.

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

The square root of 274330945 is about 16562.9388998450. The cubic root of 274330945 is about 649.7679210921.

The spelling of 274330945 in words is "two hundred seventy-four million, three hundred thirty thousand, nine hundred forty-five".