71308 has 6 divisors (see below), whose sum is σ = 124796. Its totient is φ = 35652.

The previous prime is 71293. The next prime is 71317. The reversal of 71308 is 80317.

It is a plaindrome in base 16.

It is an unprimeable number.

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, 8910 + ... + 8917.

2⁷¹³⁰⁸ is an apocalyptic number.

It is an amenable number.

71308 is a deficient number, since it is larger than the sum of its proper divisors (53488).

71308 is a wasteful number, since it uses less digits than its factorization.

71308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17831 (or 17829 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 71308 is about 267.0355781539. The cubic root of 71308 is about 41.4679677336.

Subtracting from 71308 its sum of digits (19), we obtain a square (71289 = 267²).

Subtracting 71308 from its reverse (80317), we obtain a palindrome (9009).

The spelling of 71308 in words is "seventy-one thousand, three hundred eight".