66732 has 24 divisors (see below), whose sum is σ = 159936.
Its totient is φ = 21648.
The previous prime is 66721. The next prime is 66733. The reversal of 66732 is 23766.
It is a d-powerful number, because it can be written as 63 + 66 + 72 + 39 + 27 .
It is not an unprimeable number, because it can be changed into a prime (66733) by changing a digit.
66732 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 7 ways as a sum of consecutive naturals, for example, 763 + ... + 845.
It is an arithmetic number, because the mean of its divisors is an integer number (6664).
266732 is an apocalyptic number.
It is an amenable number.
66732 is an abundant number, since it is smaller than the sum of its proper divisors (93204).
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 (79968).
66732 is a wasteful number, since it uses less digits than its factorization.
66732 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 157 (or 155 counting only the distinct ones).
The product of its digits is 1512, while the sum is 24.
The square root of 66732 is about 258.3253762215.
The cubic root of 66732 is about 40.5612546636.
The spelling of 66732 in words is "sixty-six thousand, seven hundred thirty-two".