5668447 has 2 divisors, whose sum is σ = 5668448. Its totient is φ = 5668446.

The previous prime is 5668433. The next prime is 5668451. The reversal of 5668447 is 7448665.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5668447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5668477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2834223 + 2834224.

It is an arithmetic number, because the mean of its divisors is an integer number (2834224).

Almost surely, 2^5668447 is an apocalyptic number.

5668447 is a deficient number, since it is larger than the sum of its proper divisors (1).

5668447 is an equidigital number, since it uses as much as digits as its factorization.

5668447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 5668447 is about 2380.8500582775. The cubic root of 5668447 is about 178.3013768303.

The spelling of 5668447 in words is "five million, six hundred sixty-eight thousand, four hundred forty-seven".