427273 has 16 divisors (see below), whose sum is σ = 552960. Its totient is φ = 320400.
The previous prime is 427249. The next prime is 427279. The reversal of 427273 is 372724.
It is a cyclic number.
It is not a de Polignac number, because 427273 - 25 = 427241 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (427279) 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 15 ways as a sum of consecutive naturals, for example, 2298 + ... + 2476.
It is an arithmetic number, because the mean of its divisors is an integer number (34560).
2427273 is an apocalyptic number.
It is an amenable number.
427273 is a deficient number, since it is larger than the sum of its proper divisors (125687).
427273 is a wasteful number, since it uses less digits than its factorization.
427273 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 228.
The product of its digits is 2352, while the sum is 25.
The square root of 427273 is about 653.6612272424. The cubic root of 427273 is about 75.3185267756.
Adding to 427273 its reverse (372724), we get a palindrome (799997).
The spelling of 427273 in words is "four hundred twenty-seven thousand, two hundred seventy-three", and thus it is an iban number.
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