43427112 has 64 divisors (see below), whose sum is σ = 115836480. Its totient is φ = 13519872.

The previous prime is 43427101. The next prime is 43427113. The reversal of 43427112 is 21172434.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (43427113) 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 15 ways as a sum of consecutive naturals, for example, 66178 + ... + 66830.

It is an arithmetic number, because the mean of its divisors is an integer number (1809945).

Almost surely, 2^43427112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43427112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57918240).

43427112 is an abundant number, since it is smaller than the sum of its proper divisors (72409368).

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

43427112 is a wasteful number, since it uses less digits than its factorization.

43427112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 838 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 43427112 is about 6589.9250375099. The cubic root of 43427112 is about 351.4959426279.

Adding to 43427112 its reverse (21172434), we get a palindrome (64599546).

The spelling of 43427112 in words is "forty-three million, four hundred twenty-seven thousand, one hundred twelve".