42976664 has 16 divisors (see below), whose sum is σ = 83181120. Its totient is φ = 20795040.

The previous prime is 42976649. The next prime is 42976669. The reversal of 42976664 is 46667924.

42976664 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 (42976669) 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, 86399 + ... + 86894.

It is an arithmetic number, because the mean of its divisors is an integer number (5198820).

Almost surely, 2^42976664 is an apocalyptic number.

It is an amenable number.

42976664 is a deficient number, since it is larger than the sum of its proper divisors (40204456).

42976664 is a wasteful number, since it uses less digits than its factorization.

42976664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173330 (or 173326 counting only the distinct ones).

The product of its digits is 435456, while the sum is 44.

The square root of 42976664 is about 6555.6589295051. The cubic root of 42976664 is about 350.2764183712.

The spelling of 42976664 in words is "forty-two million, nine hundred seventy-six thousand, six hundred sixty-four".