71882017 has 2 divisors, whose sum is σ = 71882018. Its totient is φ = 71882016.

The previous prime is 71881991. The next prime is 71882023. The reversal of 71882017 is 71028817.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60699681 + 11182336 = 7791^2 + 3344^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71882017 is a prime.

It is not a weakly prime, because it can be changed into another prime (71882617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35941008 + 35941009.

It is an arithmetic number, because the mean of its divisors is an integer number (35941009).

Almost surely, 2^71882017 is an apocalyptic number.

It is an amenable number.

71882017 is a deficient number, since it is larger than the sum of its proper divisors (1).

71882017 is an equidigital number, since it uses as much as digits as its factorization.

71882017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 71882017 is about 8478.3263088890. The cubic root of 71882017 is about 415.7894047015.

The spelling of 71882017 in words is "seventy-one million, eight hundred eighty-two thousand, seventeen".