71000804747 has 2 divisors, whose sum is σ = 71000804748. Its totient is φ = 71000804746.

The previous prime is 71000804741. The next prime is 71000804767. The reversal of 71000804747 is 74740800017.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71000804747 - 2¹⁰ = 71000803723 is a prime.

It is a super-2 number, since 2×71000804747² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71000804747.

It is not a weakly prime, because it can be changed into another prime (71000804741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35500402373 + 35500402374.

It is an arithmetic number, because the mean of its divisors is an integer number (35500402374).

Almost surely, 2^71000804747 is an apocalyptic number.

71000804747 is a deficient number, since it is larger than the sum of its proper divisors (1).

71000804747 is an equidigital number, since it uses as much as digits as its factorization.

71000804747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43904, while the sum is 38.

The spelling of 71000804747 in words is "seventy-one billion, eight hundred four thousand, seven hundred forty-seven".