42382427 has 8 divisors (see below), whose sum is σ = 45030000. Its totient is φ = 39813984.

The previous prime is 42382421. The next prime is 42382441. The reversal of 42382427 is 72428324.

42382427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42382427 - 2¹⁰ = 42381403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42382393 and 42382402.

It is not an unprimeable number, because it can be changed into a prime (42382421) 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 7 ways as a sum of consecutive naturals, for example, 18677 + ... + 20822.

It is an arithmetic number, because the mean of its divisors is an integer number (5628750).

Almost surely, 2^42382427 is an apocalyptic number.

42382427 is a deficient number, since it is larger than the sum of its proper divisors (2647573).

42382427 is a wasteful number, since it uses less digits than its factorization.

42382427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39565.

The product of its digits is 21504, while the sum is 32.

The square root of 42382427 is about 6510.1787225851. The cubic root of 42382427 is about 348.6544994436.

The spelling of 42382427 in words is "forty-two million, three hundred eighty-two thousand, four hundred twenty-seven".