43272172 has 6 divisors (see below), whose sum is σ = 75726308. Its totient is φ = 21636084.

The previous prime is 43272121. The next prime is 43272181. The reversal of 43272172 is 27127234.

43272172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 43272172.

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 as a sum of consecutive naturals, namely, 5409018 + ... + 5409025.

Almost surely, 2^43272172 is an apocalyptic number.

It is an amenable number.

43272172 is a deficient number, since it is larger than the sum of its proper divisors (32454136).

43272172 is a wasteful number, since it uses less digits than its factorization.

43272172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10818047 (or 10818045 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 43272172 is about 6578.1587089398. The cubic root of 43272172 is about 351.0774200642.

The spelling of 43272172 in words is "forty-three million, two hundred seventy-two thousand, one hundred seventy-two".