711678 has 32 divisors (see below), whose sum is σ = 1596672. Its totient is φ = 209600.

The previous prime is 711653. The next prime is 711679. The reversal of 711678 is 876117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2575 + ... + 2837.

It is an arithmetic number, because the mean of its divisors is an integer number (49896).

2⁷¹¹⁶⁷⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 711678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (798336).

711678 is an abundant number, since it is smaller than the sum of its proper divisors (884994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

711678 is a wasteful number, since it uses less digits than its factorization.

711678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its digits is 2352, while the sum is 30.

The square root of 711678 is about 843.6100995128. The cubic root of 711678 is about 89.2814387591.

The spelling of 711678 in words is "seven hundred eleven thousand, six hundred seventy-eight".