42147876 has 12 divisors (see below), whose sum is σ = 98345072. Its totient is φ = 14049288.

The previous prime is 42147857. The next prime is 42147893. The reversal of 42147876 is 67874124.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×42147876² = 3552886902622752, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756150 + ... + 1756173.

Almost surely, 2^42147876 is an apocalyptic number.

It is an amenable number.

42147876 is an abundant number, since it is smaller than the sum of its proper divisors (56197196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42147876 is a wasteful number, since it uses less digits than its factorization.

42147876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3512330 (or 3512328 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 42147876 is about 6492.1395548771. The cubic root of 42147876 is about 348.0101397495.

It can be divided in two parts, 4214 and 7876, that added together give a triangular number (12090 = T₁₅₅).

The spelling of 42147876 in words is "forty-two million, one hundred forty-seven thousand, eight hundred seventy-six".