71216963 has 2 divisors, whose sum is σ = 71216964. Its totient is φ = 71216962.

The previous prime is 71216941. The next prime is 71216969. The reversal of 71216963 is 36961217.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71216963 - 2¹⁶ = 71151427 is a prime.

It is a Chen prime.

It is equal to p_4185368 and since 71216963 and 4185368 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 (71216969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35608481 + 35608482.

It is an arithmetic number, because the mean of its divisors is an integer number (35608482).

Almost surely, 2^71216963 is an apocalyptic number.

71216963 is a deficient number, since it is larger than the sum of its proper divisors (1).

71216963 is an equidigital number, since it uses as much as digits as its factorization.

71216963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 35.

The square root of 71216963 is about 8439.0143381795. The cubic root of 71216963 is about 414.5031320654.

The spelling of 71216963 in words is "seventy-one million, two hundred sixteen thousand, nine hundred sixty-three".