72065236 has 12 divisors (see below), whose sum is σ = 126671328. Its totient is φ = 35873432.

The previous prime is 72065219. The next prime is 72065237. The reversal of 72065236 is 63256027.

72065236 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

72065236 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 72065198 and 72065207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72065237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38776 + ... + 40591.

It is an arithmetic number, because the mean of its divisors is an integer number (10555944).

Almost surely, 2^72065236 is an apocalyptic number.

It is an amenable number.

72065236 is a deficient number, since it is larger than the sum of its proper divisors (54606092).

72065236 is a wasteful number, since it uses less digits than its factorization.

72065236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79598 (or 79596 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 72065236 is about 8489.1245720628. The cubic root of 72065236 is about 416.1423714494.

It can be divided in two parts, 720 and 65236, that added together give a palindrome (65956).

The spelling of 72065236 in words is "seventy-two million, sixty-five thousand, two hundred thirty-six".