71560063 has 2 divisors, whose sum is σ = 71560064. Its totient is φ = 71560062.

The previous prime is 71560043. The next prime is 71560067. The reversal of 71560063 is 36006517.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71560063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71560067) 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, 35780031 + 35780032.

It is an arithmetic number, because the mean of its divisors is an integer number (35780032).

Almost surely, 2^71560063 is an apocalyptic number.

71560063 is a deficient number, since it is larger than the sum of its proper divisors (1).

71560063 is an equidigital number, since it uses as much as digits as its factorization.

71560063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 71560063 is about 8459.3181167278. The cubic root of 71560063 is about 415.1677127333.

The spelling of 71560063 in words is "seventy-one million, five hundred sixty thousand, sixty-three".