71365 has 8 divisors (see below), whose sum is σ = 97920. Its totient is φ = 48912.

The previous prime is 71363. The next prime is 71387. The reversal of 71365 is 56317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71365 - 2¹ = 71363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985 + ... + 1054.

It is an arithmetic number, because the mean of its divisors is an integer number (12240).

2⁷¹³⁶⁵ is an apocalyptic number.

It is an amenable number.

71365 is a deficient number, since it is larger than the sum of its proper divisors (26555).

71365 is a wasteful number, since it uses less digits than its factorization.

71365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051.

The product of its digits is 630, while the sum is 22.

The square root of 71365 is about 267.1422841858. The cubic root of 71365 is about 41.4790139212.

The spelling of 71365 in words is "seventy-one thousand, three hundred sixty-five".