42874786 has 16 divisors (see below), whose sum is σ = 66331584. Its totient is φ = 20769264.

The previous prime is 42874781. The next prime is 42874787. The reversal of 42874786 is 68747824.

42874786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42874781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18361 + ... + 20563.

It is an arithmetic number, because the mean of its divisors is an integer number (4145724).

Almost surely, 2^42874786 is an apocalyptic number.

42874786 is a deficient number, since it is larger than the sum of its proper divisors (23456798).

42874786 is a wasteful number, since it uses less digits than its factorization.

42874786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505.

The product of its digits is 602112, while the sum is 46.

The square root of 42874786 is about 6547.8840857181. The cubic root of 42874786 is about 349.9994176861. Note that the first 3 decimals are identical.

It can be divided in two parts, 42874 and 786, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 42874786 in words is "forty-two million, eight hundred seventy-four thousand, seven hundred eighty-six".