9974947 has 2 divisors, whose sum is σ = 9974948. Its totient is φ = 9974946.

The previous prime is 9974933. The next prime is 9974957. The reversal of 9974947 is 7494799.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9974947 - 2²³ = 1586339 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9974947.

It is not a weakly prime, because it can be changed into another prime (9974957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4987473 + 4987474.

It is an arithmetic number, because the mean of its divisors is an integer number (4987474).

Almost surely, 2^9974947 is an apocalyptic number.

9974947 is a deficient number, since it is larger than the sum of its proper divisors (1).

9974947 is an equidigital number, since it uses as much as digits as its factorization.

9974947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 49.

The square root of 9974947 is about 3158.3139489291. The cubic root of 9974947 is about 215.2634017042.

The spelling of 9974947 in words is "nine million, nine hundred seventy-four thousand, nine hundred forty-seven".