71797 has 8 divisors (see below), whose sum is σ = 80352. Its totient is φ = 63600.

The previous prime is 71789. The next prime is 71807. The reversal of 71797 is 79717.

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 71797 - 2³ = 71789 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71707) 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, 618 + ... + 724.

It is an arithmetic number, because the mean of its divisors is an integer number (10044).

2⁷¹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

71797 is a deficient number, since it is larger than the sum of its proper divisors (8555).

71797 is a wasteful number, since it uses less digits than its factorization.

71797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179.

The product of its digits is 3087, while the sum is 31.

The square root of 71797 is about 267.9496221307. The cubic root of 71797 is about 41.5625417868.

It can be divided in two parts, 71 and 797, that added together give a palindrome (868).

The spelling of 71797 in words is "seventy-one thousand, seven hundred ninety-seven".