276030049 has 4 divisors (see below), whose sum is σ = 276099120. Its totient is φ = 275960980.

The previous prime is 276030047. The next prime is 276030067. The reversal of 276030049 is 940030672.

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 276030049 - 2¹ = 276030047 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 276030049.

It is not an unprimeable number, because it can be changed into a prime (276030047) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28147 + ... + 36664.

It is an arithmetic number, because the mean of its divisors is an integer number (69024780).

Almost surely, 2^276030049 is an apocalyptic number.

It is an amenable number.

276030049 is a deficient number, since it is larger than the sum of its proper divisors (69071).

276030049 is an equidigital number, since it uses as much as digits as its factorization.

276030049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69070.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 276030049 is about 16614.1520698470. The cubic root of 276030049 is about 651.1066347895.

The spelling of 276030049 in words is "two hundred seventy-six million, thirty thousand, forty-nine".