66342 has 8 divisors (see below), whose sum is σ = 132696. Its totient is φ = 22112.

The previous prime is 66337. The next prime is 66343. The reversal of 66342 is 24366.

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

66342 is an admirable number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66343) by changing a digit.

66342 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5523 + ... + 5534.

It is an arithmetic number, because the mean of its divisors is an integer number (16587).

2⁶⁶³⁴² is an apocalyptic number.

66342 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66348).

66342 is a wasteful number, since it uses less digits than its factorization.

66342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11062.

The product of its digits is 864, while the sum is 21.

The square root of 66342 is about 257.5694081214. The cubic root of 66342 is about 40.4820832196.

The spelling of 66342 in words is "sixty-six thousand, three hundred forty-two".