71304 has 16 divisors (see below), whose sum is σ = 178320. Its totient is φ = 23760.

The previous prime is 71293. The next prime is 71317. The reversal of 71304 is 40317.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (11145).

2⁷¹³⁰⁴ is an apocalyptic number.

It is an amenable number.

71304 is an abundant number, since it is smaller than the sum of its proper divisors (107016).

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 (89160).

71304 is a wasteful number, since it uses less digits than its factorization.

71304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2980 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 71304 is about 267.0280884102. The cubic root of 71304 is about 41.4671923415.

Subtracting from 71304 its sum of digits (15), we obtain a square (71289 = 267²).

The spelling of 71304 in words is "seventy-one thousand, three hundred four", and thus it is an iban number.