71299699 has 2 divisors, whose sum is σ = 71299700. Its totient is φ = 71299698.

The previous prime is 71299693. The next prime is 71299729. The reversal of 71299699 is 99699217.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71299699 - 2¹¹ = 71297651 is a prime.

It is not a weakly prime, because it can be changed into another prime (71299693) 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, 35649849 + 35649850.

It is an arithmetic number, because the mean of its divisors is an integer number (35649850).

Almost surely, 2^71299699 is an apocalyptic number.

71299699 is a deficient number, since it is larger than the sum of its proper divisors (1).

71299699 is an equidigital number, since it uses as much as digits as its factorization.

71299699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 551124, while the sum is 52.

The square root of 71299699 is about 8443.9149095665. The cubic root of 71299699 is about 414.6635856887.

The spelling of 71299699 in words is "seventy-one million, two hundred ninety-nine thousand, six hundred ninety-nine".