7047947 has 2 divisors, whose sum is σ = 7047948. Its totient is φ = 7047946.

The previous prime is 7047919. The next prime is 7047967. The reversal of 7047947 is 7497407.

7047947 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (7497407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7047947 - 2⁶ = 7047883 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 7047947.

It is not a weakly prime, because it can be changed into another prime (7047907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3523973 + 3523974.

It is an arithmetic number, because the mean of its divisors is an integer number (3523974).

Almost surely, 2^7047947 is an apocalyptic number.

7047947 is a deficient number, since it is larger than the sum of its proper divisors (1).

7047947 is an equidigital number, since it uses as much as digits as its factorization.

7047947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 7047947 is about 2654.7969790551. The cubic root of 7047947 is about 191.7288834773.

The spelling of 7047947 in words is "seven million, forty-seven thousand, nine hundred forty-seven".