42739184 has 10 divisors (see below), whose sum is σ = 82807200. Its totient is φ = 21369584.

The previous prime is 42739163. The next prime is 42739217. The reversal of 42739184 is 48193724.

It is a super-3 number, since 3×42739184³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1335584 + ... + 1335615.

It is an arithmetic number, because the mean of its divisors is an integer number (8280720).

Almost surely, 2^42739184 is an apocalyptic number.

It is an amenable number.

42739184 is a deficient number, since it is larger than the sum of its proper divisors (40068016).

42739184 is a wasteful number, since it uses less digits than its factorization.

42739184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671207 (or 2671201 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 42739184 is about 6537.5212427953. The cubic root of 42739184 is about 349.6300417362.

The spelling of 42739184 in words is "forty-two million, seven hundred thirty-nine thousand, one hundred eighty-four".