42678841 has 8 divisors (see below), whose sum is σ = 43243200. Its totient is φ = 42117840.

The previous prime is 42678781. The next prime is 42678859. The reversal of 42678841 is 14887624.

42678841 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 cyclic number.

It is not a de Polignac number, because 42678841 - 2⁹ = 42678329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42678794 and 42678803.

It is not an unprimeable number, because it can be changed into a prime (42678241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33270 + ... + 34528.

It is an arithmetic number, because the mean of its divisors is an integer number (5405400).

Almost surely, 2^42678841 is an apocalyptic number.

It is an amenable number.

42678841 is a deficient number, since it is larger than the sum of its proper divisors (564359).

42678841 is a wasteful number, since it uses less digits than its factorization.

42678841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679.

The product of its digits is 86016, while the sum is 40.

The square root of 42678841 is about 6532.9044842245. The cubic root of 42678841 is about 349.4654179207.

The spelling of 42678841 in words is "forty-two million, six hundred seventy-eight thousand, eight hundred forty-one".