42678267 has 4 divisors (see below), whose sum is σ = 56904360. Its totient is φ = 28452176.

The previous prime is 42678247. The next prime is 42678269. The reversal of 42678267 is 76287624.

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 42678267 - 2⁸ = 42678011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42678269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7113042 + ... + 7113047.

It is an arithmetic number, because the mean of its divisors is an integer number (14226090).

Almost surely, 2^42678267 is an apocalyptic number.

42678267 is a deficient number, since it is larger than the sum of its proper divisors (14226093).

42678267 is a wasteful number, since it uses less digits than its factorization.

42678267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14226092.

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

The square root of 42678267 is about 6532.8605526216. The cubic root of 42678267 is about 349.4638512268.

The spelling of 42678267 in words is "forty-two million, six hundred seventy-eight thousand, two hundred sixty-seven".