274294945 has 16 divisors (see below), whose sum is σ = 334433232. Its totient is φ = 215930880.

The previous prime is 274294927. The next prime is 274294967. The reversal of 274294945 is 549492472.

It can be written as a sum of positive squares in 8 ways, for example, as 59613841 + 214681104 = 7721^2 + 14652^2 .

It is not a de Polignac number, because 274294945 - 2⁷ = 274294817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 274294895 and 274294904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310905 + ... + 311785.

It is an arithmetic number, because the mean of its divisors is an integer number (20902077).

Almost surely, 2^274294945 is an apocalyptic number.

It is an amenable number.

274294945 is a deficient number, since it is larger than the sum of its proper divisors (60138287).

274294945 is an equidigital number, since it uses as much as digits as its factorization.

274294945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812.

The product of its digits is 725760, while the sum is 46.

The square root of 274294945 is about 16561.8521005351. The cubic root of 274294945 is about 649.7394971892.

The spelling of 274294945 in words is "two hundred seventy-four million, two hundred ninety-four thousand, nine hundred forty-five".