43442742 has 32 divisors (see below), whose sum is σ = 99590400. Its totient is φ = 12375648.

The previous prime is 43442731. The next prime is 43442747. The reversal of 43442742 is 24724434.

It is a happy number.

43442742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43442747) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 15009 + ... + 17667.

It is an arithmetic number, because the mean of its divisors is an integer number (3112200).

Almost surely, 2^43442742 is an apocalyptic number.

43442742 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

43442742 is an abundant number, since it is smaller than the sum of its proper divisors (56147658).

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

43442742 is a wasteful number, since it uses less digits than its factorization.

43442742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its digits is 21504, while the sum is 30.

The square root of 43442742 is about 6591.1108320222. The cubic root of 43442742 is about 351.5381069377.

The spelling of 43442742 in words is "forty-three million, four hundred forty-two thousand, seven hundred forty-two".