42429027 has 4 divisors (see below), whose sum is σ = 56572040. Its totient is φ = 28286016.

The previous prime is 42429017. The next prime is 42429029. The reversal of 42429027 is 72092424.

42429027 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 42429027 - 2⁶ = 42428963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42428985 and 42429003.

It is not an unprimeable number, because it can be changed into a prime (42429029) 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, 7071502 + ... + 7071507.

It is an arithmetic number, because the mean of its divisors is an integer number (14143010).

Almost surely, 2^42429027 is an apocalyptic number.

42429027 is a deficient number, since it is larger than the sum of its proper divisors (14143013).

42429027 is a wasteful number, since it uses less digits than its factorization.

42429027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14143012.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 42429027 is about 6513.7567501404. The cubic root of 42429027 is about 348.7822359432.

The spelling of 42429027 in words is "forty-two million, four hundred twenty-nine thousand, twenty-seven".