71393 has 12 divisors (see below), whose sum is σ = 87552. Its totient is φ = 57960.
The previous prime is 71389. The next prime is 71399. The reversal of 71393 is 39317.
It is not a de Polignac number, because 71393 - 22 = 71389 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (71399) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1496 + ... + 1542.
It is an arithmetic number, because the mean of its divisors is an integer number (7296).
271393 is an apocalyptic number.
It is an amenable number.
71393 is a deficient number, since it is larger than the sum of its proper divisors (16159).
71393 is a wasteful number, since it uses less digits than its factorization.
71393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92 (or 85 counting only the distinct ones).
The product of its digits is 567, while the sum is 23.
The square root of 71393 is about 267.1946855759. The cubic root of 71393 is about 41.4844379644.
It can be divided in two parts, 71 and 393, that added together give a palindrome (464).
The spelling of 71393 in words is "seventy-one thousand, three hundred ninety-three".
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