74311 has 2 divisors, whose sum is σ = 74312. Its totient is φ = 74310.
The previous prime is 74297. The next prime is 74317. The reversal of 74311 is 11347.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 74311 - 25 = 74279 is a prime.
74311 is a lucky number.
It is a plaindrome in base 16.
It is a nialpdrome in base 10.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (74317) 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, 37155 + 37156.
It is an arithmetic number, because the mean of its divisors is an integer number (37156).
274311 is an apocalyptic number.
74311 is a deficient number, since it is larger than the sum of its proper divisors (1).
74311 is an equidigital number, since it uses as much as digits as its factorization.
74311 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 84, while the sum is 16.
The square root of 74311 is about 272.6004402051. The cubic root of 74311 is about 42.0420968698.
Adding to 74311 its reverse (11347), we get a palindrome (85658).
The spelling of 74311 in words is "seventy-four thousand, three hundred eleven", and thus it is an iban number.
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