42443379 has 16 divisors (see below), whose sum is σ = 68595840. Its totient is φ = 25723080.

The previous prime is 42443377. The next prime is 42443383. The reversal of 42443379 is 97334424.

42443379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42443379 - 2¹ = 42443377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42443377) 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, 71157 + ... + 71750.

It is an arithmetic number, because the mean of its divisors is an integer number (4287240).

Almost surely, 2^42443379 is an apocalyptic number.

42443379 is a deficient number, since it is larger than the sum of its proper divisors (26152461).

42443379 is a wasteful number, since it uses less digits than its factorization.

42443379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142927 (or 142921 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 42443379 is about 6514.8583253974. The cubic root of 42443379 is about 348.8215577526.

The spelling of 42443379 in words is "forty-two million, four hundred forty-three thousand, three hundred seventy-nine".