72836 has 12 divisors (see below), whose sum is σ = 129360. Its totient is φ = 35880.

The previous prime is 72823. The next prime is 72859. The reversal of 72836 is 63827.

It is a plaindrome in base 15.

It is an unprimeable number.

72836 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 in 3 ways as a sum of consecutive naturals, for example, 455 + ... + 593.

It is an arithmetic number, because the mean of its divisors is an integer number (10780).

2⁷²⁸³⁶ is an apocalyptic number.

It is an amenable number.

72836 is a deficient number, since it is larger than the sum of its proper divisors (56524).

72836 is a wasteful number, since it uses less digits than its factorization.

72836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 272 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 72836 is about 269.8814554578. The cubic root of 72836 is about 41.7620711626.

Subtracting from 72836 its reverse (63827), we obtain a palindrome (9009).

The spelling of 72836 in words is "seventy-two thousand, eight hundred thirty-six".