42974168 has 32 divisors (see below), whose sum is σ = 84542400. Its totient is φ = 20454912.

The previous prime is 42974161. The next prime is 42974179. The reversal of 42974168 is 86147924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42974161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12368 + ... + 15456.

It is an arithmetic number, because the mean of its divisors is an integer number (2641950).

Almost surely, 2^42974168 is an apocalyptic number.

It is an amenable number.

42974168 is a deficient number, since it is larger than the sum of its proper divisors (41568232).

42974168 is a wasteful number, since it uses less digits than its factorization.

42974168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179 (or 3175 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 42974168 is about 6555.4685568615. The cubic root of 42974168 is about 350.2696371184.

The spelling of 42974168 in words is "forty-two million, nine hundred seventy-four thousand, one hundred sixty-eight".