42747884 has 24 divisors (see below), whose sum is σ = 77995008. Its totient is φ = 20477520.

The previous prime is 42747841. The next prime is 42747907. The reversal of 42747884 is 48874724.

42747884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 11099 + ... + 14445.

It is an arithmetic number, because the mean of its divisors is an integer number (3249792).

Almost surely, 2^42747884 is an apocalyptic number.

It is an amenable number.

42747884 is a deficient number, since it is larger than the sum of its proper divisors (35247124).

42747884 is a wasteful number, since it uses less digits than its factorization.

42747884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485 (or 3483 counting only the distinct ones).

The product of its digits is 401408, while the sum is 44.

The square root of 42747884 is about 6538.1865987443. The cubic root of 42747884 is about 349.6537637224.

The spelling of 42747884 in words is "forty-two million, seven hundred forty-seven thousand, eight hundred eighty-four".