72036788 has 6 divisors (see below), whose sum is σ = 126064386. Its totient is φ = 36018392.

The previous prime is 72036737. The next prime is 72036821. The reversal of 72036788 is 88763027.

It can be written as a sum of positive squares in only one way, i.e., 70930084 + 1106704 = 8422^2 + 1052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9004595 + ... + 9004602.

It is an arithmetic number, because the mean of its divisors is an integer number (21010731).

Almost surely, 2^72036788 is an apocalyptic number.

It is an amenable number.

72036788 is a deficient number, since it is larger than the sum of its proper divisors (54027598).

72036788 is a wasteful number, since it uses less digits than its factorization.

72036788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18009201 (or 18009199 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 72036788 is about 8487.4488510977. The cubic root of 72036788 is about 416.0876063646.

The spelling of 72036788 in words is "seventy-two million, thirty-six thousand, seven hundred eighty-eight".