64711 has 4 divisors (see below), whose sum is σ = 65272. Its totient is φ = 64152.

The previous prime is 64709. The next prime is 64717. The reversal of 64711 is 11746.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 64711 - 2¹ = 64709 is a prime.

It is a Duffinian number.

64711 is a lucky number.

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 36 + ... + 361.

It is an arithmetic number, because the mean of its divisors is an integer number (16318).

2⁶⁴⁷¹¹ is an apocalyptic number.

64711 is a deficient number, since it is larger than the sum of its proper divisors (561).

64711 is a wasteful number, since it uses less digits than its factorization.

64711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its digits is 168, while the sum is 19.

The square root of 64711 is about 254.3835686518. The cubic root of 64711 is about 40.1475798352.

It can be divided in two parts, 647 and 11, that multiplied together give a palindrome (7117).

The spelling of 64711 in words is "sixty-four thousand, seven hundred eleven".