711679 has 2 divisors, whose sum is σ = 711680. Its totient is φ = 711678.

The previous prime is 711653. The next prime is 711691. The reversal of 711679 is 976117.

It is a strong prime.

It is an emirp because it is prime and its reverse (976117) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 711679 - 2¹⁷ = 580607 is a prime.

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 711679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (711629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355839 + 355840.

It is an arithmetic number, because the mean of its divisors is an integer number (355840).

2⁷¹¹⁶⁷⁹ is an apocalyptic number.

711679 is a deficient number, since it is larger than the sum of its proper divisors (1).

711679 is an equidigital number, since it uses as much as digits as its factorization.

711679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2646, while the sum is 31.

The square root of 711679 is about 843.6106922035. The cubic root of 711679 is about 89.2814805764.

The spelling of 711679 in words is "seven hundred eleven thousand, six hundred seventy-nine".