42866672 has 20 divisors (see below), whose sum is σ = 83990160. Its totient is φ = 21191808.

The previous prime is 42866671. The next prime is 42866711. The reversal of 42866672 is 27666824.

42866672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42866671) 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, 13628 + ... + 16475.

It is an arithmetic number, because the mean of its divisors is an integer number (4199508).

Almost surely, 2^42866672 is an apocalyptic number.

It is an amenable number.

42866672 is a deficient number, since it is larger than the sum of its proper divisors (41123488).

42866672 is a wasteful number, since it uses less digits than its factorization.

42866672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30200 (or 30194 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The square root of 42866672 is about 6547.2644669358. The cubic root of 42866672 is about 349.9773373081.

The spelling of 42866672 in words is "forty-two million, eight hundred sixty-six thousand, six hundred seventy-two".