79347 has 4 divisors (see below), whose sum is σ = 105800. Its totient is φ = 52896.
The previous prime is 79337. The next prime is 79349. The reversal of 79347 is 74397.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74397 = 3 ⋅24799.
It is not a de Polignac number, because 79347 - 26 = 79283 is a prime.
It is an Ulam number.
It is a D-number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (79349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13222 + ... + 13227.
It is an arithmetic number, because the mean of its divisors is an integer number (26450).
279347 is an apocalyptic number.
79347 is a deficient number, since it is larger than the sum of its proper divisors (26453).
79347 is a wasteful number, since it uses less digits than its factorization.
79347 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26452.
The product of its digits is 5292, while the sum is 30.
The square root of 79347 is about 281.6859953920. The cubic root of 79347 is about 42.9711362091.
Subtracting from 79347 its reverse (74397), we obtain a triangular number (4950 = T99).
The spelling of 79347 in words is "seventy-nine thousand, three hundred forty-seven".
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