42830678 has 32 divisors (see below), whose sum is σ = 72277920. Its totient is φ = 18869760.

The previous prime is 42830663. The next prime is 42830681. The reversal of 42830678 is 87603824.

42830678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 126926 + ... + 127262.

It is an arithmetic number, because the mean of its divisors is an integer number (2258685).

Almost surely, 2^42830678 is an apocalyptic number.

42830678 is a deficient number, since it is larger than the sum of its proper divisors (29447242).

42830678 is a wasteful number, since it uses less digits than its factorization.

42830678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 42830678 is about 6544.5151080886. The cubic root of 42830678 is about 349.8793543364.

The spelling of 42830678 in words is "forty-two million, eight hundred thirty thousand, six hundred seventy-eight".