42066463 has 4 divisors (see below), whose sum is σ = 42188040. Its totient is φ = 41944888.

The previous prime is 42066461. The next prime is 42066467. The reversal of 42066463 is 36466024.

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

It is a cyclic number.

It is not a de Polignac number, because 42066463 - 2¹ = 42066461 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42066461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60268 + ... + 60961.

It is an arithmetic number, because the mean of its divisors is an integer number (10547010).

Almost surely, 2^42066463 is an apocalyptic number.

42066463 is a deficient number, since it is larger than the sum of its proper divisors (121577).

42066463 is a wasteful number, since it uses less digits than its factorization.

42066463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121576.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 42066463 is about 6485.8664031878. The cubic root of 42066463 is about 347.7859227448.

The spelling of 42066463 in words is "forty-two million, sixty-six thousand, four hundred sixty-three".