67090 has 8 divisors (see below), whose sum is σ = 120780. Its totient is φ = 26832.
The previous prime is 67079. The next prime is 67103. The reversal of 67090 is 9076.
It can be written as a sum of positive squares in 2 ways, for example, as 67081 + 9 = 259^2 + 3^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between even and odd.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3345 + ... + 3364.
267090 is an apocalyptic number.
67090 is a deficient number, since it is larger than the sum of its proper divisors (53690).
67090 is a wasteful number, since it uses less digits than its factorization.
67090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6716.
The product of its (nonzero) digits is 378, while the sum is 22.
The square root of 67090 is about 259.0173739346. The cubic root of 67090 is about 40.6336589038.
The spelling of 67090 in words is "sixty-seven thousand, ninety".
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