42270339 has 4 divisors (see below), whose sum is σ = 56360456. Its totient is φ = 28180224.

The previous prime is 42270331. The next prime is 42270341. The reversal of 42270339 is 93307224.

42270339 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 not a de Polignac number, because 42270339 - 2³ = 42270331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42270331) 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, 7045054 + ... + 7045059.

It is an arithmetic number, because the mean of its divisors is an integer number (14090114).

Almost surely, 2^42270339 is an apocalyptic number.

42270339 is a deficient number, since it is larger than the sum of its proper divisors (14090117).

42270339 is a wasteful number, since it uses less digits than its factorization.

42270339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14090116.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 42270339 is about 6501.5643502160. The cubic root of 42270339 is about 348.3468681101.

The spelling of 42270339 in words is "forty-two million, two hundred seventy thousand, three hundred thirty-nine".