6704420 has 12 divisors (see below), whose sum is σ = 14079324. Its totient is φ = 2681760.

The previous prime is 6704417. The next prime is 6704429. The reversal of 6704420 is 244076.

Added to its reverse (244076) it gives a square (6948496 = 2636²).

It can be written as a sum of positive squares in 2 ways, for example, as 1784896 + 4919524 = 1336^2 + 2218^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6704429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167591 + ... + 167630.

It is an arithmetic number, because the mean of its divisors is an integer number (1173277).

Almost surely, 2^6704420 is an apocalyptic number.

It is an amenable number.

6704420 is an abundant number, since it is smaller than the sum of its proper divisors (7374904).

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

6704420 is a wasteful number, since it uses less digits than its factorization.

6704420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335230 (or 335228 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 6704420 is about 2589.2894778298. The cubic root of 6704420 is about 188.5618097109.

Subtracting from 6704420 its product of nonzero digits (1344), we obtain a palindrome (6703076).

Adding to 6704420 its reverse (244076), we get a palindrome (6948496).

The spelling of 6704420 in words is "six million, seven hundred four thousand, four hundred twenty".