42678424 has 16 divisors (see below), whose sum is σ = 80100720. Its totient is φ = 21318240.

The previous prime is 42678373. The next prime is 42678431. The reversal of 42678424 is 42487624.

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 in 3 ways as a sum of consecutive naturals, for example, 9117 + ... + 12979.

It is an arithmetic number, because the mean of its divisors is an integer number (5006295).

Almost surely, 2^42678424 is an apocalyptic number.

It is an amenable number.

42678424 is a deficient number, since it is larger than the sum of its proper divisors (37422296).

42678424 is a wasteful number, since it uses less digits than its factorization.

42678424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250 (or 5246 counting only the distinct ones).

The product of its digits is 86016, while the sum is 37.

The square root of 42678424 is about 6532.8725687863. The cubic root of 42678424 is about 349.4642797490.

The spelling of 42678424 in words is "forty-two million, six hundred seventy-eight thousand, four hundred twenty-four".