80706 has 8 divisors (see below), whose sum is σ = 161424. Its totient is φ = 26900.
The previous prime is 80701. The next prime is 80713. The reversal of 80706 is 60708.
It is a sphenic number, since it is the product of 3 distinct primes.
80706 is an admirable number.
It is an Ulam number.
It is a plaindrome in base 11.
It is not an unprimeable number, because it can be changed into a prime (80701) by changing a digit.
80706 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, 6720 + ... + 6731.
It is an arithmetic number, because the mean of its divisors is an integer number (20178).
280706 is an apocalyptic number.
80706 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 (80712).
80706 is a wasteful number, since it uses less digits than its factorization.
80706 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13456.
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 80706 is about 284.0880145307. The cubic root of 80706 is about 43.2150753285.
The spelling of 80706 in words is "eighty thousand, seven hundred six".
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