71707 has 2 divisors, whose sum is σ = 71708. Its totient is φ = 71706.

The previous prime is 71699. The next prime is 71711. The reversal of 71707 is 70717.

It is a strong prime.

It is an emirp because it is prime and its reverse (70717) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71707 - 2³ = 71699 is a prime.

It is not a weakly prime, because it can be changed into another prime (71777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35853 + 35854.

It is an arithmetic number, because the mean of its divisors is an integer number (35854).

2⁷¹⁷⁰⁷ is an apocalyptic number.

71707 is a deficient number, since it is larger than the sum of its proper divisors (1).

71707 is an equidigital number, since it uses as much as digits as its factorization.

71707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 343, while the sum is 22.

The square root of 71707 is about 267.7816274504. The cubic root of 71707 is about 41.5451678350.

Subtracting from 71707 its reverse (70717), we obtain a triangular number (990 = T₄₄).

The spelling of 71707 in words is "seventy-one thousand, seven hundred seven", and thus it is an iban number.