71086793 has 2 divisors, whose sum is σ = 71086794. Its totient is φ = 71086792.

The previous prime is 71086753. The next prime is 71086817. The reversal of 71086793 is 39768017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63313849 + 7772944 = 7957^2 + 2788^2 .

It is a cyclic number.

It is not a de Polignac number, because 71086793 - 2¹⁴ = 71070409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71086793.

It is not a weakly prime, because it can be changed into another prime (71086753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35543396 + 35543397.

It is an arithmetic number, because the mean of its divisors is an integer number (35543397).

Almost surely, 2^71086793 is an apocalyptic number.

It is an amenable number.

71086793 is a deficient number, since it is larger than the sum of its proper divisors (1).

71086793 is an equidigital number, since it uses as much as digits as its factorization.

71086793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 71086793 is about 8431.2984172072. The cubic root of 71086793 is about 414.2504358103.

The spelling of 71086793 in words is "seventy-one million, eighty-six thousand, seven hundred ninety-three".