42840875 has 32 divisors (see below), whose sum is σ = 66673152. Its totient is φ = 26700000.

The previous prime is 42840851. The next prime is 42840913. The reversal of 42840875 is 57804824.

It is not a de Polignac number, because 42840875 - 2¹⁴ = 42824491 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7400 + ... + 11850.

It is an arithmetic number, because the mean of its divisors is an integer number (2083536).

Almost surely, 2^42840875 is an apocalyptic number.

42840875 is a deficient number, since it is larger than the sum of its proper divisors (23832277).

42840875 is a wasteful number, since it uses less digits than its factorization.

42840875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484 (or 4474 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 42840875 is about 6545.2941110389. The cubic root of 42840875 is about 349.9071182107.

The spelling of 42840875 in words is "forty-two million, eight hundred forty thousand, eight hundred seventy-five".