42066341 has 4 divisors (see below), whose sum is σ = 43044672. Its totient is φ = 41088012.

The previous prime is 42066307. The next prime is 42066371. The reversal of 42066341 is 14366024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42066341 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42066341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42066371) by changing a digit.

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, 489101 + ... + 489186.

It is an arithmetic number, because the mean of its divisors is an integer number (10761168).

Almost surely, 2^42066341 is an apocalyptic number.

It is an amenable number.

42066341 is a deficient number, since it is larger than the sum of its proper divisors (978331).

42066341 is an equidigital number, since it uses as much as digits as its factorization.

42066341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978330.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42066341 is about 6485.8569981152. The cubic root of 42066341 is about 347.7855865314.

The spelling of 42066341 in words is "forty-two million, sixty-six thousand, three hundred forty-one".