42044347 has 4 divisors (see below), whose sum is σ = 42140560. Its totient is φ = 41948136.

The previous prime is 42044333. The next prime is 42044357. The reversal of 42044347 is 74344024.

42044347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42044347 - 2¹⁵ = 42011579 is a prime.

It is a super-2 number, since 2×42044347² = 3535454229312818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42044357) 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 3 ways as a sum of consecutive naturals, for example, 47448 + ... + 48325.

It is an arithmetic number, because the mean of its divisors is an integer number (10535140).

Almost surely, 2^42044347 is an apocalyptic number.

42044347 is a deficient number, since it is larger than the sum of its proper divisors (96213).

42044347 is an equidigital number, since it uses as much as digits as its factorization.

42044347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96212.

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 42044347 is about 6484.1612410550. The cubic root of 42044347 is about 347.7249637984.

The spelling of 42044347 in words is "forty-two million, forty-four thousand, three hundred forty-seven".