42716668 has 6 divisors (see below), whose sum is σ = 74754176. Its totient is φ = 21358332.

The previous prime is 42716657. The next prime is 42716671. The reversal of 42716668 is 86661724.

It is a self number, because there is not a number n which added to its sum of digits gives 42716668.

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, 5339580 + ... + 5339587.

Almost surely, 2^42716668 is an apocalyptic number.

It is an amenable number.

42716668 is a deficient number, since it is larger than the sum of its proper divisors (32037508).

42716668 is a wasteful number, since it uses less digits than its factorization.

42716668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679171 (or 10679169 counting only the distinct ones).

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

The square root of 42716668 is about 6535.7989565163. The cubic root of 42716668 is about 349.5686331948.

The spelling of 42716668 in words is "forty-two million, seven hundred sixteen thousand, six hundred sixty-eight".