7214947 has 2 divisors, whose sum is σ = 7214948. Its totient is φ = 7214946.

The previous prime is 7214917. The next prime is 7214951. The reversal of 7214947 is 7494127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7214947 - 2¹¹ = 7212899 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (7214917) 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 as a sum of consecutive naturals, namely, 3607473 + 3607474.

It is an arithmetic number, because the mean of its divisors is an integer number (3607474).

Almost surely, 2^7214947 is an apocalyptic number.

7214947 is a deficient number, since it is larger than the sum of its proper divisors (1).

7214947 is an equidigital number, since it uses as much as digits as its factorization.

7214947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 34.

The square root of 7214947 is about 2686.0653379991. The cubic root of 7214947 is about 193.2314065054.

The spelling of 7214947 in words is "seven million, two hundred fourteen thousand, nine hundred forty-seven".