71383 has 12 divisors (see below), whose sum is σ = 85960. Its totient is φ = 58752.

The previous prime is 71363. The next prime is 71387. The reversal of 71383 is 38317.

It is a de Polignac number, because none of the positive numbers 2^k-71383 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3748 + ... + 3766.

2⁷¹³⁸³ is an apocalyptic number.

71383 is a deficient number, since it is larger than the sum of its proper divisors (14577).

71383 is a wasteful number, since it uses less digits than its factorization.

71383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 49 counting only the distinct ones).

The product of its digits is 504, while the sum is 22.

The square root of 71383 is about 267.1759719735. The cubic root of 71383 is about 41.4825009690.

It can be divided in two parts, 71 and 383, that added together give a palindrome (454).

The spelling of 71383 in words is "seventy-one thousand, three hundred eighty-three".