42347119 has 4 divisors (see below), whose sum is σ = 44838144. Its totient is φ = 39856096.

The previous prime is 42347087. The next prime is 42347167. The reversal of 42347119 is 91174324.

42347119 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 42347119 - 2⁵ = 42347087 is a prime.

It is a super-2 number, since 2×42347119² = 3586556975200322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42347189) 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, 1245487 + ... + 1245520.

It is an arithmetic number, because the mean of its divisors is an integer number (11209536).

Almost surely, 2^42347119 is an apocalyptic number.

42347119 is a deficient number, since it is larger than the sum of its proper divisors (2491025).

42347119 is a wasteful number, since it uses less digits than its factorization.

42347119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491024.

The product of its digits is 6048, while the sum is 31.

The square root of 42347119 is about 6507.4664040623. The cubic root of 42347119 is about 348.5576533841.

The spelling of 42347119 in words is "forty-two million, three hundred forty-seven thousand, one hundred nineteen".