42678366 has 8 divisors (see below), whose sum is σ = 85356744. Its totient is φ = 14226120.

The previous prime is 42678331. The next prime is 42678373. The reversal of 42678366 is 66387624.

42678366 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.

42678366 is an admirable number.

It is a super-3 number, since 3×42678366³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 3556525 + ... + 3556536.

It is an arithmetic number, because the mean of its divisors is an integer number (10669593).

Almost surely, 2^42678366 is an apocalyptic number.

42678366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42678366 is a wasteful number, since it uses less digits than its factorization.

42678366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7113066.

The product of its digits is 290304, while the sum is 42.

The square root of 42678366 is about 6532.8681296962. The cubic root of 42678366 is about 349.4641214415.

The spelling of 42678366 in words is "forty-two million, six hundred seventy-eight thousand, three hundred sixty-six".