72235712 has 28 divisors (see below), whose sum is σ = 145700496. Its totient is φ = 35523840.

The previous prime is 72235711. The next prime is 72235733. The reversal of 72235712 is 21753227.

It is not an unprimeable number, because it can be changed into a prime (72235711) 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, 5348 + ... + 13155.

Almost surely, 2^72235712 is an apocalyptic number.

It is an amenable number.

72235712 is an abundant number, since it is smaller than the sum of its proper divisors (73464784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72235712 is a wasteful number, since it uses less digits than its factorization.

72235712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18576 (or 18566 counting only the distinct ones).

The product of its digits is 5880, while the sum is 29.

The square root of 72235712 is about 8499.1594878553. The cubic root of 72235712 is about 416.4702522436.

Adding to 72235712 its reverse (21753227), we get a palindrome (93988939).

The spelling of 72235712 in words is "seventy-two million, two hundred thirty-five thousand, seven hundred twelve".