42667827 has 4 divisors (see below), whose sum is σ = 56890440. Its totient is φ = 28445216.

The previous prime is 42667819. The next prime is 42667831. The reversal of 42667827 is 72876624.

42667827 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 a cyclic number.

It is not a de Polignac number, because 42667827 - 2³ = 42667819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42667817) 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, 7111302 + ... + 7111307.

It is an arithmetic number, because the mean of its divisors is an integer number (14222610).

Almost surely, 2^42667827 is an apocalyptic number.

42667827 is a deficient number, since it is larger than the sum of its proper divisors (14222613).

42667827 is a wasteful number, since it uses less digits than its factorization.

42667827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14222612.

The product of its digits is 225792, while the sum is 42.

The square root of 42667827 is about 6532.0614663366. The cubic root of 42667827 is about 349.4353535050.

The spelling of 42667827 in words is "forty-two million, six hundred sixty-seven thousand, eight hundred twenty-seven".