6725898 has 12 divisors (see below), whose sum is σ = 14572818. Its totient is φ = 2241960.

The previous prime is 6725891. The next prime is 6725899. The reversal of 6725898 is 8985276.

6725898 is a `hidden beast` number, since 67 + 2 + 589 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5349969 + 1375929 = 2313^2 + 1173^2 .

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6725891) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186813 + ... + 186848.

Almost surely, 2^6725898 is an apocalyptic number.

6725898 is an abundant number, since it is smaller than the sum of its proper divisors (7846920).

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

6725898 is a wasteful number, since it uses less digits than its factorization.

6725898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373669 (or 373666 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 6725898 is about 2593.4336313081. The cubic root of 6725898 is about 188.7629513210.

It can be divided in two parts, 6 and 725898, that added together give a square (725904 = 852²).

The spelling of 6725898 in words is "six million, seven hundred twenty-five thousand, eight hundred ninety-eight".