42066941 has 12 divisors (see below), whose sum is σ = 49767840. Its totient is φ = 35443800.

The previous prime is 42066929. The next prime is 42066949. The reversal of 42066941 is 14966024.

It is a happy number.

It is not a de Polignac number, because 42066941 - 2¹⁰ = 42065917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42066898 and 42066907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42066949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4385 + ... + 10166.

It is an arithmetic number, because the mean of its divisors is an integer number (4147320).

Almost surely, 2^42066941 is an apocalyptic number.

It is an amenable number.

42066941 is a deficient number, since it is larger than the sum of its proper divisors (7700899).

42066941 is a wasteful number, since it uses less digits than its factorization.

42066941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14624 (or 14617 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 42066941 is about 6485.9032524391. The cubic root of 42066941 is about 347.7872400336.

The spelling of 42066941 in words is "forty-two million, sixty-six thousand, nine hundred forty-one".