71216107 has 2 divisors, whose sum is σ = 71216108. Its totient is φ = 71216106.

The previous prime is 71216071. The next prime is 71216129. The reversal of 71216107 is 70161217.

Together with previous prime (71216071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71216107 is a prime.

It is equal to p_4185313 and since 71216107 and 4185313 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (71216147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35608053 + 35608054.

It is an arithmetic number, because the mean of its divisors is an integer number (35608054).

Almost surely, 2^71216107 is an apocalyptic number.

71216107 is a deficient number, since it is larger than the sum of its proper divisors (1).

71216107 is an equidigital number, since it uses as much as digits as its factorization.

71216107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 71216107 is about 8438.9636212037. The cubic root of 71216107 is about 414.5014713370.

The spelling of 71216107 in words is "seventy-one million, two hundred sixteen thousand, one hundred seven".