711642 has 16 divisors (see below), whose sum is σ = 1441440. Its totient is φ = 234192.

The previous prime is 711629. The next prime is 711649. The reversal of 711642 is 246117.

711642 is nontrivially palindromic in base 16.

It is not an unprimeable number, because it can be changed into a prime (711649) by changing a digit.

711642 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217 + ... + 1212.

It is an arithmetic number, because the mean of its divisors is an integer number (90090).

2⁷¹¹⁶⁴² is an apocalyptic number.

711642 is an abundant number, since it is smaller than the sum of its proper divisors (729798).

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

711642 is a wasteful number, since it uses less digits than its factorization.

711642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517.

The product of its digits is 336, while the sum is 21.

The square root of 711642 is about 843.5887623718. The cubic root of 711642 is about 89.2799333095.

Adding to 711642 its reverse (246117), we get a palindrome (957759).

The spelling of 711642 in words is "seven hundred eleven thousand, six hundred forty-two".