42668063 has 8 divisors (see below), whose sum is σ = 43253760. Its totient is φ = 42086520.

The previous prime is 42668029. The next prime is 42668099. The reversal of 42668063 is 36086624.

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

It is a cyclic number.

It is not a de Polignac number, because 42668063 - 2¹⁰ = 42667039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42668023) 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 7 ways as a sum of consecutive naturals, for example, 23378 + ... + 25136.

It is an arithmetic number, because the mean of its divisors is an integer number (5406720).

Almost surely, 2^42668063 is an apocalyptic number.

42668063 is a deficient number, since it is larger than the sum of its proper divisors (585697).

42668063 is a wasteful number, since it uses less digits than its factorization.

42668063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 42668063 is about 6532.0795310529. The cubic root of 42668063 is about 349.4359977577.

The spelling of 42668063 in words is "forty-two million, six hundred sixty-eight thousand, sixty-three".