71384 has 8 divisors (see below), whose sum is σ = 133860. Its totient is φ = 35688.

The previous prime is 71363. The next prime is 71387. The reversal of 71384 is 48317.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71387) by changing a digit.

71384 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 as a sum of consecutive naturals, namely, 4454 + ... + 4469.

2⁷¹³⁸⁴ is an apocalyptic number.

It is an amenable number.

71384 is a deficient number, since it is larger than the sum of its proper divisors (62476).

71384 is a wasteful number, since it uses less digits than its factorization.

71384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8929 (or 8925 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 71384 is about 267.1778433927. The cubic root of 71384 is about 41.4826946767.

It can be divided in two parts, 713 and 84, that added together give a palindrome (797).

The spelling of 71384 in words is "seventy-one thousand, three hundred eighty-four".