42340329 has 6 divisors (see below), whose sum is σ = 61158266. Its totient is φ = 28226880.

The previous prime is 42340301. The next prime is 42340339. The reversal of 42340329 is 92304324.

It is a happy number.

42340329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 33177600 + 9162729 = 5760^2 + 3027^2 .

It is not a de Polignac number, because 42340329 - 2⁵ = 42340297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42340339) 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 5 ways as a sum of consecutive naturals, for example, 2352232 + ... + 2352249.

Almost surely, 2^42340329 is an apocalyptic number.

It is an amenable number.

42340329 is a deficient number, since it is larger than the sum of its proper divisors (18817937).

42340329 is a wasteful number, since it uses less digits than its factorization.

42340329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704487 (or 4704484 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 42340329 is about 6506.9446747302. The cubic root of 42340329 is about 348.5390229709.

The spelling of 42340329 in words is "forty-two million, three hundred forty thousand, three hundred twenty-nine".