66242 has 8 divisors (see below), whose sum is σ = 108432. Its totient is φ = 30100.

The previous prime is 66239. The next prime is 66271. The reversal of 66242 is 24266.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 66242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (13554).

2⁶⁶²⁴² is an apocalyptic number.

66242 is a deficient number, since it is larger than the sum of its proper divisors (42190).

66242 is a wasteful number, since it uses less digits than its factorization.

66242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024.

The product of its digits is 576, while the sum is 20.

The square root of 66242 is about 257.3752124817. The cubic root of 66242 is about 40.4617328933.

The spelling of 66242 in words is "sixty-six thousand, two hundred forty-two".