42874287 has 16 divisors (see below), whose sum is σ = 58412640. Its totient is φ = 27965952.

The previous prime is 42874283. The next prime is 42874313. The reversal of 42874287 is 78247824.

It is not a de Polignac number, because 42874287 - 2² = 42874283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42874283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29289 + ... + 30717.

It is an arithmetic number, because the mean of its divisors is an integer number (3650790).

Almost surely, 2^42874287 is an apocalyptic number.

42874287 is a deficient number, since it is larger than the sum of its proper divisors (15538353).

42874287 is a wasteful number, since it uses less digits than its factorization.

42874287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642.

The product of its digits is 200704, while the sum is 42.

The square root of 42874287 is about 6547.8459816950. The cubic root of 42874287 is about 349.9980598532.

The spelling of 42874287 in words is "forty-two million, eight hundred seventy-four thousand, two hundred eighty-seven".