274887049 has 4 divisors (see below), whose sum is σ = 275293764. Its totient is φ = 274480336.

The previous prime is 274887043. The next prime is 274887071. The reversal of 274887049 is 940788472.

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 261048649 + 13838400 = 16157^2 + 3720^2 .

It is a cyclic number.

It is not a de Polignac number, because 274887049 - 2⁵ = 274887017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 274886993 and 274887011.

It is not an unprimeable number, because it can be changed into a prime (274887043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 202342 + ... + 203695.

It is an arithmetic number, because the mean of its divisors is an integer number (68823441).

Almost surely, 2^274887049 is an apocalyptic number.

It is an amenable number.

274887049 is a deficient number, since it is larger than the sum of its proper divisors (406715).

274887049 is an equidigital number, since it uses as much as digits as its factorization.

274887049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406714.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 274887049 is about 16579.7180012206. The cubic root of 274887049 is about 650.2066790489.

The spelling of 274887049 in words is "two hundred seventy-four million, eight hundred eighty-seven thousand, forty-nine".