42885207 has 20 divisors (see below), whose sum is σ = 64974096. Its totient is φ = 28183680.

The previous prime is 42885173. The next prime is 42885209. The reversal of 42885207 is 70258824.

It is a happy number.

It is not a de Polignac number, because 42885207 - 2⁷ = 42885079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42885209) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2023 + ... + 9479.

Almost surely, 2^42885207 is an apocalyptic number.

42885207 is a deficient number, since it is larger than the sum of its proper divisors (22088889).

42885207 is an equidigital number, since it uses as much as digits as its factorization.

42885207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7540 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 42885207 is about 6548.6797906143. The cubic root of 42885207 is about 350.0277719459.

The spelling of 42885207 in words is "forty-two million, eight hundred eighty-five thousand, two hundred seven".