42176668 has 6 divisors (see below), whose sum is σ = 73809176. Its totient is φ = 21088332.

The previous prime is 42176653. The next prime is 42176689. The reversal of 42176668 is 86667124.

It is a self number, because there is not a number n which added to its sum of digits gives 42176668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5272080 + ... + 5272087.

Almost surely, 2^42176668 is an apocalyptic number.

It is an amenable number.

42176668 is a deficient number, since it is larger than the sum of its proper divisors (31632508).

42176668 is a wasteful number, since it uses less digits than its factorization.

42176668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544171 (or 10544169 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 42176668 is about 6494.3566271033. The cubic root of 42176668 is about 348.0893657838.

The spelling of 42176668 in words is "forty-two million, one hundred seventy-six thousand, six hundred sixty-eight".