42187876 has 12 divisors (see below), whose sum is σ = 74411008. Its totient is φ = 20927592.

The previous prime is 42187843. The next prime is 42187877. The reversal of 42187876 is 67878124.

It is not an unprimeable number, because it can be changed into a prime (42187877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41016 + ... + 42031.

Almost surely, 2^42187876 is an apocalyptic number.

It is an amenable number.

42187876 is a deficient number, since it is larger than the sum of its proper divisors (32223132).

42187876 is a wasteful number, since it uses less digits than its factorization.

42187876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83178 (or 83176 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 42187876 is about 6495.2194728123. The cubic root of 42187876 is about 348.1201967326.

The spelling of 42187876 in words is "forty-two million, one hundred eighty-seven thousand, eight hundred seventy-six".