43340872 has 16 divisors (see below), whose sum is σ = 81385200. Its totient is φ = 21638160.

The previous prime is 43340867. The next prime is 43340873. The reversal of 43340872 is 27804334.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43340873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247 + ... + 9577.

It is an arithmetic number, because the mean of its divisors is an integer number (5086575).

Almost surely, 2^43340872 is an apocalyptic number.

It is an amenable number.

43340872 is a deficient number, since it is larger than the sum of its proper divisors (38044328).

43340872 is a wasteful number, since it uses less digits than its factorization.

43340872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8076 (or 8072 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 43340872 is about 6583.3784639803. The cubic root of 43340872 is about 351.2631149724.

The spelling of 43340872 in words is "forty-three million, three hundred forty thousand, eight hundred seventy-two".