274678849 has 4 divisors (see below), whose sum is σ = 274772736. Its totient is φ = 274584964.

The previous prime is 274678837. The next prime is 274678871. The reversal of 274678849 is 948876472.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 274678849 - 2⁹ = 274678337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 274678849.

It is not an unprimeable number, because it can be changed into a prime (274673849) 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, 42409 + ... + 48454.

It is an arithmetic number, because the mean of its divisors is an integer number (68693184).

Almost surely, 2^274678849 is an apocalyptic number.

It is an amenable number.

274678849 is a deficient number, since it is larger than the sum of its proper divisors (93887).

274678849 is an equidigital number, since it uses as much as digits as its factorization.

274678849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93886.

The product of its digits is 5419008, while the sum is 55.

The square root of 274678849 is about 16573.4380561186. The cubic root of 274678849 is about 650.0424816416.

The spelling of 274678849 in words is "two hundred seventy-four million, six hundred seventy-eight thousand, eight hundred forty-nine".