42668006 has 8 divisors (see below), whose sum is σ = 64031520. Its totient is φ = 21324168.

The previous prime is 42667991. The next prime is 42668023. The reversal of 42668006 is 60086624.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3155 + ... + 9761.

It is an arithmetic number, because the mean of its divisors is an integer number (8003940).

Almost surely, 2^42668006 is an apocalyptic number.

42668006 is a deficient number, since it is larger than the sum of its proper divisors (21363514).

42668006 is a wasteful number, since it uses less digits than its factorization.

42668006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9838.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 42668006 is about 6532.0751679692. The cubic root of 42668006 is about 349.4358421545.

The spelling of 42668006 in words is "forty-two million, six hundred sixty-eight thousand, six".