72236 has 6 divisors (see below), whose sum is σ = 126420. Its totient is φ = 36116.

The previous prime is 72229. The next prime is 72251. The reversal of 72236 is 63227.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9026 + ... + 9033.

It is an arithmetic number, because the mean of its divisors is an integer number (21070).

2⁷²²³⁶ is an apocalyptic number.

It is an amenable number.

72236 is a deficient number, since it is larger than the sum of its proper divisors (54184).

72236 is a wasteful number, since it uses less digits than its factorization.

72236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18063 (or 18061 counting only the distinct ones).

The product of its digits is 504, while the sum is 20.

The square root of 72236 is about 268.7675575660. The cubic root of 72236 is about 41.6470805725.

Subtracting from 72236 its reverse (63227), we obtain a palindrome (9009).

The spelling of 72236 in words is "seventy-two thousand, two hundred thirty-six".