42187833 has 12 divisors (see below), whose sum is σ = 61102080. Its totient is φ = 28049496.

The previous prime is 42187813. The next prime is 42187843. The reversal of 42187833 is 33878124.

42187833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42187833 - 2⁸ = 42187577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42187813) 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 11 ways as a sum of consecutive naturals, for example, 2673 + ... + 9566.

It is an arithmetic number, because the mean of its divisors is an integer number (5091840).

Almost surely, 2^42187833 is an apocalyptic number.

It is an amenable number.

42187833 is a deficient number, since it is larger than the sum of its proper divisors (18914247).

42187833 is a wasteful number, since it uses less digits than its factorization.

42187833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12628 (or 12625 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 42187833 is about 6495.2161626847. The cubic root of 42187833 is about 348.1200784587.

The spelling of 42187833 in words is "forty-two million, one hundred eighty-seven thousand, eight hundred thirty-three".