43232972 has 24 divisors (see below), whose sum is σ = 82696320. Its totient is φ = 19687680.

The previous prime is 43232963. The next prime is 43232977. The reversal of 43232972 is 27923234.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (43232977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8147 + ... + 12362.

It is an arithmetic number, because the mean of its divisors is an integer number (3445680).

Almost surely, 2^43232972 is an apocalyptic number.

It is an amenable number.

43232972 is a deficient number, since it is larger than the sum of its proper divisors (39463348).

43232972 is a wasteful number, since it uses less digits than its factorization.

43232972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20561 (or 20559 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 43232972 is about 6575.1784766651. The cubic root of 43232972 is about 350.9713750625.

The spelling of 43232972 in words is "forty-three million, two hundred thirty-two thousand, nine hundred seventy-two".