274862947 has 2 divisors, whose sum is σ = 274862948. Its totient is φ = 274862946.

The previous prime is 274862941. The next prime is 274862971. The reversal of 274862947 is 749268472.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-274862947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 274862947.

It is not a weakly prime, because it can be changed into another prime (274862941) 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 as a sum of consecutive naturals, namely, 137431473 + 137431474.

It is an arithmetic number, because the mean of its divisors is an integer number (137431474).

Almost surely, 2^274862947 is an apocalyptic number.

274862947 is a deficient number, since it is larger than the sum of its proper divisors (1).

274862947 is an equidigital number, since it uses as much as digits as its factorization.

274862947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The square root of 274862947 is about 16578.9911333591. The cubic root of 274862947 is about 650.1876751957.

The spelling of 274862947 in words is "two hundred seventy-four million, eight hundred sixty-two thousand, nine hundred forty-seven".