73783 has 2 divisors, whose sum is σ = 73784. Its totient is φ = 73782.
The previous prime is 73771. The next prime is 73819. The reversal of 73783 is 38737.
It is a weak prime.
It is an emirp because it is prime and its reverse (38737) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 73783 - 25 = 73751 is a prime.
It is a plaindrome in base 13 and base 15.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (73483) 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 as a sum of consecutive naturals, namely, 36891 + 36892.
It is an arithmetic number, because the mean of its divisors is an integer number (36892).
273783 is an apocalyptic number.
73783 is a deficient number, since it is larger than the sum of its proper divisors (1).
73783 is an equidigital number, since it uses as much as digits as its factorization.
73783 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3528, while the sum is 28.
The square root of 73783 is about 271.6302634097. The cubic root of 73783 is about 41.9422865658.
It can be divided in two parts, 7378 and 3, that added together give a triangular number (7381 = T121).
The spelling of 73783 in words is "seventy-three thousand, seven hundred eighty-three".
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