42789974 has 8 divisors (see below), whose sum is σ = 65396160. Its totient is φ = 20991256.

The previous prime is 42789953. The next prime is 42789991. The reversal of 42789974 is 47998724.

42789974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 201734 + ... + 201945.

It is an arithmetic number, because the mean of its divisors is an integer number (8174520).

Almost surely, 2^42789974 is an apocalyptic number.

42789974 is a deficient number, since it is larger than the sum of its proper divisors (22606186).

42789974 is a wasteful number, since it uses less digits than its factorization.

42789974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403734.

The product of its digits is 1016064, while the sum is 50.

The square root of 42789974 is about 6541.4045892301. The cubic root of 42789974 is about 349.7684836261.

The spelling of 42789974 in words is "forty-two million, seven hundred eighty-nine thousand, nine hundred seventy-four".