42184782 has 24 divisors (see below), whose sum is σ = 91881504. Its totient is φ = 13987584.

The previous prime is 42184781. The next prime is 42184819. The reversal of 42184782 is 28748124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42184781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2598 + ... + 9545.

It is an arithmetic number, because the mean of its divisors is an integer number (3828396).

Almost surely, 2^42184782 is an apocalyptic number.

42184782 is an abundant number, since it is smaller than the sum of its proper divisors (49696722).

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

42184782 is a wasteful number, since it uses less digits than its factorization.

42184782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12344 (or 12341 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 42184782 is about 6494.9812932756. The cubic root of 42184782 is about 348.1116863080. Note that the first 3 decimals are identical.

The spelling of 42184782 in words is "forty-two million, one hundred eighty-four thousand, seven hundred eighty-two".