276530047 has 8 divisors (see below), whose sum is σ = 291259760. Its totient is φ = 261817920.

The previous prime is 276530039. The next prime is 276530069. The reversal of 276530047 is 740035672.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 276530047 - 2³ = 276530039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 276529994 and 276530021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276530087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38923 + ... + 45475.

It is an arithmetic number, because the mean of its divisors is an integer number (36407470).

Almost surely, 2^276530047 is an apocalyptic number.

276530047 is a deficient number, since it is larger than the sum of its proper divisors (14729713).

276530047 is a wasteful number, since it uses less digits than its factorization.

276530047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8793.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 276530047 is about 16629.1926141951. The cubic root of 276530047 is about 651.4995336143.

The spelling of 276530047 in words is "two hundred seventy-six million, five hundred thirty thousand, forty-seven".