42428067 has 8 divisors (see below), whose sum is σ = 61713600. Its totient is φ = 25713960.

The previous prime is 42428059. The next prime is 42428081. The reversal of 42428067 is 76082424.

42428067 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 42428067 - 2³ = 42428059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1285699 = 42428067 / (4 + 2 + 4 + 2 + 8 + 0 + 6 + 7).

It is not an unprimeable number, because it can be changed into a prime (42428017) 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, 642817 + ... + 642882.

It is an arithmetic number, because the mean of its divisors is an integer number (7714200).

Almost surely, 2^42428067 is an apocalyptic number.

42428067 is a deficient number, since it is larger than the sum of its proper divisors (19285533).

42428067 is a wasteful number, since it uses less digits than its factorization.

42428067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285713.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 42428067 is about 6513.6830595294. The cubic root of 42428067 is about 348.7796054054.

The spelling of 42428067 in words is "forty-two million, four hundred twenty-eight thousand, sixty-seven".