641702 has 4 divisors (see below), whose sum is σ = 962556. Its totient is φ = 320850.

The previous prime is 641701. The next prime is 641713. The reversal of 641702 is 207146.

641702 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 207146 = 2 ⋅103573.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160424 + ... + 160427.

It is an arithmetic number, because the mean of its divisors is an integer number (240639).

2⁶⁴¹⁷⁰² is an apocalyptic number.

641702 is a deficient number, since it is larger than the sum of its proper divisors (320854).

641702 is a wasteful number, since it uses less digits than its factorization.

641702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320853.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 641702 is about 801.0630437113. The cubic root of 641702 is about 86.2537126456.

Adding to 641702 its reverse (207146), we get a palindrome (848848).

The spelling of 641702 in words is "six hundred forty-one thousand, seven hundred two".