42663066 has 8 divisors (see below), whose sum is σ = 85326144. Its totient is φ = 14221020.

The previous prime is 42663059. The next prime is 42663067. The reversal of 42663066 is 66036624.

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

42663066 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42663067) 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, 3555250 + ... + 3555261.

It is an arithmetic number, because the mean of its divisors is an integer number (10665768).

Almost surely, 2^42663066 is an apocalyptic number.

42663066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42663066 is a wasteful number, since it uses less digits than its factorization.

42663066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7110516.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 42663066 is about 6531.6970229796. The cubic root of 42663066 is about 349.4223560178.

The spelling of 42663066 in words is "forty-two million, six hundred sixty-three thousand, sixty-six".