42474868 has 12 divisors (see below), whose sum is σ = 74511360. Its totient is φ = 21185912.

The previous prime is 42474863. The next prime is 42474871. The reversal of 42474868 is 86847424.

It is a super-2 number, since 2×42474868² = 3608228823234848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42474863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10996 + ... + 14347.

It is an arithmetic number, because the mean of its divisors is an integer number (6209280).

Almost surely, 2^42474868 is an apocalyptic number.

It is an amenable number.

42474868 is a deficient number, since it is larger than the sum of its proper divisors (32036492).

42474868 is a wasteful number, since it uses less digits than its factorization.

42474868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25766 (or 25764 counting only the distinct ones).

The product of its digits is 344064, while the sum is 43.

The square root of 42474868 is about 6517.2745837505. The cubic root of 42474868 is about 348.9078007037.

The spelling of 42474868 in words is "forty-two million, four hundred seventy-four thousand, eight hundred sixty-eight".