72836216 has 16 divisors (see below), whose sum is σ = 142506000. Its totient is φ = 34834624.

The previous prime is 72836201. The next prime is 72836221. The reversal of 72836216 is 61263827.

It is a happy number.

It is a super-2 number, since 2×72836216² = 10610228722397312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197741 + ... + 198108.

It is an arithmetic number, because the mean of its divisors is an integer number (8906625).

Almost surely, 2^72836216 is an apocalyptic number.

It is an amenable number.

72836216 is a deficient number, since it is larger than the sum of its proper divisors (69669784).

72836216 is a wasteful number, since it uses less digits than its factorization.

72836216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395878 (or 395874 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 72836216 is about 8534.4136295354. The cubic root of 72836216 is about 417.6211244531.

The spelling of 72836216 in words is "seventy-two million, eight hundred thirty-six thousand, two hundred sixteen".