71140063 has 2 divisors, whose sum is σ = 71140064. Its totient is φ = 71140062.

The previous prime is 71140007. The next prime is 71140079. The reversal of 71140063 is 36004117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71140063 - 2¹⁷ = 71008991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71144063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35570031 + 35570032.

It is an arithmetic number, because the mean of its divisors is an integer number (35570032).

Almost surely, 2^71140063 is an apocalyptic number.

71140063 is a deficient number, since it is larger than the sum of its proper divisors (1).

71140063 is an equidigital number, since it uses as much as digits as its factorization.

71140063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 71140063 is about 8434.4568882649. The cubic root of 71140063 is about 414.3538849882.

The spelling of 71140063 in words is "seventy-one million, one hundred forty thousand, sixty-three".