71310 has 16 divisors (see below), whose sum is σ = 171216. Its totient is φ = 19008.

The previous prime is 71293. The next prime is 71317. The reversal of 71310 is 1317.

It is a super-2 number, since 2×71310² = 10170232200, which contains 22 as substring.

It is a plaindrome in base 16.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71317) by changing a digit.

71310 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1159 + ... + 1218.

It is an arithmetic number, because the mean of its divisors is an integer number (10701).

2⁷¹³¹⁰ is an apocalyptic number.

71310 is an abundant number, since it is smaller than the sum of its proper divisors (99906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85608).

71310 is a wasteful number, since it uses less digits than its factorization.

71310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387.

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 71310 is about 267.0393229470. The cubic root of 71310 is about 41.4683554188.

Subtracting from 71310 its product of nonzero digits (21), we obtain a square (71289 = 267²).

Adding to 71310 its reverse (1317), we get a palindrome (72627).

The spelling of 71310 in words is "seventy-one thousand, three hundred ten", and thus it is an iban number.