71085793 has 2 divisors, whose sum is σ = 71085794. Its totient is φ = 71085792.

The previous prime is 71085691. The next prime is 71085797. The reversal of 71085793 is 39758017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66389904 + 4695889 = 8148^2 + 2167^2 .

It is a cyclic number.

It is not a de Polignac number, because 71085793 - 2⁹ = 71085281 is a prime.

It is not a weakly prime, because it can be changed into another prime (71085797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35542896 + 35542897.

It is an arithmetic number, because the mean of its divisors is an integer number (35542897).

Almost surely, 2^71085793 is an apocalyptic number.

It is an amenable number.

71085793 is a deficient number, since it is larger than the sum of its proper divisors (1).

71085793 is an equidigital number, since it uses as much as digits as its factorization.

71085793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 71085793 is about 8431.2391141516. The cubic root of 71085793 is about 414.2484933380.

The spelling of 71085793 in words is "seventy-one million, eighty-five thousand, seven hundred ninety-three".