641710 has 8 divisors (see below), whose sum is σ = 1155096. Its totient is φ = 256680.

The previous prime is 641701. The next prime is 641713. The reversal of 641710 is 17146.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641713) 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 3 ways as a sum of consecutive naturals, for example, 32076 + ... + 32095.

It is an arithmetic number, because the mean of its divisors is an integer number (144387).

2⁶⁴¹⁷¹⁰ is an apocalyptic number.

641710 is a deficient number, since it is larger than the sum of its proper divisors (513386).

641710 is a wasteful number, since it uses less digits than its factorization.

641710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64178.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 641710 is about 801.0680370605. The cubic root of 641710 is about 86.2540710814.

Adding to 641710 its reverse (17146), we get a palindrome (658856).

The spelling of 641710 in words is "six hundred forty-one thousand, seven hundred ten".