67270 has 24 divisors (see below), whose sum is σ = 142992. Its totient is φ = 22320.
The previous prime is 67261. The next prime is 67271. The reversal of 67270 is 7276.
It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.
It is an alternating number because its digits alternate between even and odd.
It is a plaindrome in base 9.
It is a zygodrome in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67271) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2155 + ... + 2185.
It is an arithmetic number, because the mean of its divisors is an integer number (5958).
267270 is an apocalyptic number.
67270 is an abundant number, since it is smaller than the sum of its proper divisors (75722).
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 (71496).
67270 is a wasteful number, since it uses less digits than its factorization.
67270 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76 (or 45 counting only the distinct ones).
The product of its (nonzero) digits is 588, while the sum is 22.
The square root of 67270 is about 259.3646082256. The cubic root of 67270 is about 40.6699659899.
The spelling of 67270 in words is "sixty-seven thousand, two hundred seventy".
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