69442 has 4 divisors (see below), whose sum is σ = 104166. Its totient is φ = 34720.
The previous prime is 69439. The next prime is 69457. The reversal of 69442 is 24496.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 57121 + 12321 = 239^2 + 111^2 .
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 17359 + ... + 17362.
269442 is an apocalyptic number.
69442 is a deficient number, since it is larger than the sum of its proper divisors (34724).
69442 is a wasteful number, since it uses less digits than its factorization.
69442 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34723.
The product of its digits is 1728, while the sum is 25.
The square root of 69442 is about 263.5185002993. The cubic root of 69442 is about 41.1030522850.
The spelling of 69442 in words is "sixty-nine thousand, four hundred forty-two".
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