42675379 has 2 divisors, whose sum is σ = 42675380. Its totient is φ = 42675378.

The previous prime is 42675377. The next prime is 42675397. The reversal of 42675379 is 97357624.

42675379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (42675397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42675379 - 2¹ = 42675377 is a prime.

Together with 42675377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42675377) 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 as a sum of consecutive naturals, namely, 21337689 + 21337690.

It is an arithmetic number, because the mean of its divisors is an integer number (21337690).

Almost surely, 2^42675379 is an apocalyptic number.

42675379 is a deficient number, since it is larger than the sum of its proper divisors (1).

42675379 is an equidigital number, since it uses as much as digits as its factorization.

42675379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 43.

The square root of 42675379 is about 6532.6395124789. The cubic root of 42675379 is about 349.4559684140.

The spelling of 42675379 in words is "forty-two million, six hundred seventy-five thousand, three hundred seventy-nine".