64759 has 4 divisors (see below), whose sum is σ = 66880. Its totient is φ = 62640.

The previous prime is 64747. The next prime is 64763. The reversal of 64759 is 95746.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64759 - 2¹⁵ = 31991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 2089 = 64759 / (6 + 4 + 7 + 5 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (16720).

2⁶⁴⁷⁵⁹ is an apocalyptic number.

64759 is a deficient number, since it is larger than the sum of its proper divisors (2121).

64759 is a wasteful number, since it uses less digits than its factorization.

64759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120.

The product of its digits is 7560, while the sum is 31.

The square root of 64759 is about 254.4778968791. The cubic root of 64759 is about 40.1575039982.

The spelling of 64759 in words is "sixty-four thousand, seven hundred fifty-nine".