662711 has 8 divisors (see below), whose sum is σ = 802080. Its totient is φ = 534528.

The previous prime is 662693. The next prime is 662713. The reversal of 662711 is 117266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 662711 - 2⁶ = 662647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662713) 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 7 ways as a sum of consecutive naturals, for example, 2666 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (100260).

2⁶⁶²⁷¹¹ is an apocalyptic number.

662711 is a deficient number, since it is larger than the sum of its proper divisors (139369).

662711 is a wasteful number, since it uses less digits than its factorization.

662711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593.

The product of its digits is 504, while the sum is 23.

The square root of 662711 is about 814.0706357559. The cubic root of 662711 is about 87.1849239571.

Adding to 662711 its reverse (117266), we get a palindrome (779977).

The spelling of 662711 in words is "six hundred sixty-two thousand, seven hundred eleven".