71000099 has 2 divisors, whose sum is σ = 71000100. Its totient is φ = 71000098.

The previous prime is 71000087. The next prime is 71000107. The reversal of 71000099 is 99000017.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71000099 - 2⁸ = 70999843 is a prime.

It is a Chen prime.

71000099 is a modest number, since divided by 99 gives 71 as remainder.

It is not a weakly prime, because it can be changed into another prime (71000399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35500049 + 35500050.

It is an arithmetic number, because the mean of its divisors is an integer number (35500050).

Almost surely, 2^71000099 is an apocalyptic number.

71000099 is a deficient number, since it is larger than the sum of its proper divisors (1).

71000099 is an equidigital number, since it uses as much as digits as its factorization.

71000099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 71000099 is about 8426.1556477435. The cubic root of 71000099 is about 414.0819674027.

The spelling of 71000099 in words is "seventy-one million, ninety-nine", and thus it is an aban number and an uban number.