641733 has 8 divisors (see below), whose sum is σ = 906048. Its totient is φ = 402624.

The previous prime is 641713. The next prime is 641747. The reversal of 641733 is 337146.

641733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 641733 - 2⁵ = 641701 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 641733.

It is not an unprimeable number, because it can be changed into a prime (641713) 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, 6241 + ... + 6342.

It is an arithmetic number, because the mean of its divisors is an integer number (113256).

2⁶⁴¹⁷³³ is an apocalyptic number.

It is an amenable number.

641733 is a deficient number, since it is larger than the sum of its proper divisors (264315).

641733 is a wasteful number, since it uses less digits than its factorization.

641733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12603.

The product of its digits is 1512, while the sum is 24.

The square root of 641733 is about 801.0823927662. The cubic root of 641733 is about 86.2551015676.

Adding to 641733 its reverse (337146), we get a palindrome (978879).

The spelling of 641733 in words is "six hundred forty-one thousand, seven hundred thirty-three".