42766841 has 4 divisors (see below), whose sum is σ = 46056612. Its totient is φ = 39477072.

The previous prime is 42766819. The next prime is 42766961. The reversal of 42766841 is 14866724.

42766841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1755625 + 41011216 = 1325^2 + 6404^2 .

It is a cyclic number.

It is not a de Polignac number, because 42766841 - 2¹⁸ = 42504697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42766795 and 42766804.

It is not an unprimeable number, because it can be changed into a prime (42756841) 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 3 ways as a sum of consecutive naturals, for example, 1644866 + ... + 1644891.

It is an arithmetic number, because the mean of its divisors is an integer number (11514153).

Almost surely, 2^42766841 is an apocalyptic number.

It is an amenable number.

42766841 is a deficient number, since it is larger than the sum of its proper divisors (3289771).

42766841 is a wasteful number, since it uses less digits than its factorization.

42766841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289770.

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

The square root of 42766841 is about 6539.6361519583. The cubic root of 42766841 is about 349.7054419671.

The spelling of 42766841 in words is "forty-two million, seven hundred sixty-six thousand, eight hundred forty-one".