711663 has 8 divisors (see below), whose sum is σ = 955776. Its totient is φ = 471000.

The previous prime is 711653. The next prime is 711679. The reversal of 711663 is 366117.

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

It is not a de Polignac number, because 711663 - 2¹³ = 703471 is a prime.

It is a super-3 number, since 3×711663³ = 1081295550483333741, which contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333 + ... + 1238.

It is an arithmetic number, because the mean of its divisors is an integer number (119472).

2⁷¹¹⁶⁶³ is an apocalyptic number.

711663 is a deficient number, since it is larger than the sum of its proper divisors (244113).

711663 is a wasteful number, since it uses less digits than its factorization.

711663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725.

The product of its digits is 756, while the sum is 24.

The square root of 711663 is about 843.6012091030. The cubic root of 711663 is about 89.2808114946.

The spelling of 711663 in words is "seven hundred eleven thousand, six hundred sixty-three".