42000063 has 8 divisors (see below), whose sum is σ = 64000128. Its totient is φ = 24000024.

The previous prime is 42000061. The next prime is 42000067. The reversal of 42000063 is 36000024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42000063 - 2¹ = 42000061 is a prime.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

42000063 is a modest number, since divided by 63 gives 42 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42000061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999981 + ... + 1000022.

It is an arithmetic number, because the mean of its divisors is an integer number (8000016).

Almost surely, 2^42000063 is an apocalyptic number.

42000063 is a deficient number, since it is larger than the sum of its proper divisors (22000065).

42000063 is a wasteful number, since it uses less digits than its factorization.

42000063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000013.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42000063 is about 6480.7455589616. The cubic root of 42000063 is about 347.6028382899.

Adding to 42000063 its reverse (36000024), we get a palindrome (78000087).

The spelling of 42000063 in words is "forty-two million, sixty-three", and thus it is an aban number and an uban number.