64715 has 12 divisors (see below), whose sum is σ = 90864. Its totient is φ = 43344.
The previous prime is 64709. The next prime is 64717. The reversal of 64715 is 51746.
It is not a de Polignac number, because 64715 - 210 = 63691 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 16.
It is not an unprimeable number, because it can be changed into a prime (64717) 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 11 ways as a sum of consecutive naturals, for example, 1484 + ... + 1526.
It is an arithmetic number, because the mean of its divisors is an integer number (7572).
264715 is an apocalyptic number.
64715 is a deficient number, since it is larger than the sum of its proper divisors (26149).
64715 is an equidigital number, since it uses as much as digits as its factorization.
64715 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98 (or 55 counting only the distinct ones).
The product of its digits is 840, while the sum is 23.
The square root of 64715 is about 254.3914306733. The cubic root of 64715 is about 40.1484070362.
The spelling of 64715 in words is "sixty-four thousand, seven hundred fifteen".
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