42168974 has 8 divisors (see below), whose sum is σ = 64963128. Its totient is φ = 20514600.

The previous prime is 42168947. The next prime is 42168977. The reversal of 42168974 is 47986124.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42168977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284852 + ... + 284999.

It is an arithmetic number, because the mean of its divisors is an integer number (8120391).

Almost surely, 2^42168974 is an apocalyptic number.

42168974 is a deficient number, since it is larger than the sum of its proper divisors (22794154).

42168974 is a wasteful number, since it uses less digits than its factorization.

42168974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569890.

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

The square root of 42168974 is about 6493.7642396379. The cubic root of 42168974 is about 348.0681979788.

The spelling of 42168974 in words is "forty-two million, one hundred sixty-eight thousand, nine hundred seventy-four".