42866766 has 32 divisors (see below), whose sum is σ = 95961600. Its totient is φ = 14183640.

The previous prime is 42866731. The next prime is 42866767. The reversal of 42866766 is 66766824.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42866767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4651 + ... + 10361.

It is an arithmetic number, because the mean of its divisors is an integer number (2998800).

Almost surely, 2^42866766 is an apocalyptic number.

42866766 is an abundant number, since it is smaller than the sum of its proper divisors (53094834).

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

42866766 is a wasteful number, since it uses less digits than its factorization.

42866766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5861 (or 5855 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 42866766 is about 6547.2716455024. The cubic root of 42866766 is about 349.9775931234.

The spelling of 42866766 in words is "forty-two million, eight hundred sixty-six thousand, seven hundred sixty-six".