72036856 has 16 divisors (see below), whose sum is σ = 136463040. Its totient is φ = 35646720.

The previous prime is 72036829. The next prime is 72036869. The reversal of 72036856 is 65863027.

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, 45640 + ... + 47191.

It is an arithmetic number, because the mean of its divisors is an integer number (8528940).

Almost surely, 2^72036856 is an apocalyptic number.

It is an amenable number.

72036856 is a deficient number, since it is larger than the sum of its proper divisors (64426184).

72036856 is a wasteful number, since it uses less digits than its factorization.

72036856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92934 (or 92930 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 72036856 is about 8487.4528570119. The cubic root of 72036856 is about 416.0877372882.

The spelling of 72036856 in words is "seventy-two million, thirty-six thousand, eight hundred fifty-six".