42478108 has 12 divisors (see below), whose sum is σ = 74424672. Its totient is φ = 21213920.

The previous prime is 42478103. The next prime is 42478123. The reversal of 42478108 is 80187424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42478103) 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, 2185 + ... + 9472.

It is an arithmetic number, because the mean of its divisors is an integer number (6202056).

Almost surely, 2^42478108 is an apocalyptic number.

It is an amenable number.

42478108 is a deficient number, since it is larger than the sum of its proper divisors (31946564).

42478108 is a wasteful number, since it uses less digits than its factorization.

42478108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12572 (or 12570 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 42478108 is about 6517.5231491725. The cubic root of 42478108 is about 348.9166720872.

The spelling of 42478108 in words is "forty-two million, four hundred seventy-eight thousand, one hundred eight".