67069 has 4 divisors (see below), whose sum is σ = 68544. Its totient is φ = 65596.
The previous prime is 67061. The next prime is 67073. The reversal of 67069 is 96076.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 67069 - 23 = 67061 is a prime.
It is a super-2 number, since 2×670692 = 8996501522, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (67061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 667 + ... + 760.
It is an arithmetic number, because the mean of its divisors is an integer number (17136).
267069 is an apocalyptic number.
It is an amenable number.
67069 is a deficient number, since it is larger than the sum of its proper divisors (1475).
67069 is a wasteful number, since it uses less digits than its factorization.
67069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1474.
The product of its (nonzero) digits is 2268, while the sum is 28.
The square root of 67069 is about 258.9768329407. The cubic root of 67069 is about 40.6294188487.
The spelling of 67069 in words is "sixty-seven thousand, sixty-nine".
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