71300017 has 2 divisors, whose sum is σ = 71300018. Its totient is φ = 71300016.

The previous prime is 71300011. The next prime is 71300039. The reversal of 71300017 is 71000317.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70408881 + 891136 = 8391^2 + 944^2 .

It is a cyclic number.

It is not a de Polignac number, because 71300017 - 2⁷ = 71299889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71299967 and 71300003.

It is not a weakly prime, because it can be changed into another prime (71300011) 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, 35650008 + 35650009.

It is an arithmetic number, because the mean of its divisors is an integer number (35650009).

Almost surely, 2^71300017 is an apocalyptic number.

It is an amenable number.

71300017 is a deficient number, since it is larger than the sum of its proper divisors (1).

71300017 is an equidigital number, since it uses as much as digits as its factorization.

71300017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147, while the sum is 19.

The square root of 71300017 is about 8443.9337396737. The cubic root of 71300017 is about 414.6642021608.

The spelling of 71300017 in words is "seventy-one million, three hundred thousand, seventeen".