42471568 has 20 divisors (see below), whose sum is σ = 83518960. Its totient is φ = 20918304.

The previous prime is 42471553. The next prime is 42471587. The reversal of 42471568 is 86517424.

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, 18738 + ... + 20881.

It is an arithmetic number, because the mean of its divisors is an integer number (4175948).

Almost surely, 2^42471568 is an apocalyptic number.

It is an amenable number.

42471568 is a deficient number, since it is larger than the sum of its proper divisors (41047392).

42471568 is a wasteful number, since it uses less digits than its factorization.

42471568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39694 (or 39688 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 42471568 is about 6517.0214055195. The cubic root of 42471568 is about 348.8987645716.

The spelling of 42471568 in words is "forty-two million, four hundred seventy-one thousand, five hundred sixty-eight".