6800725 has 6 divisors (see below), whose sum is σ = 8432930. Its totient is φ = 5440560.

The previous prime is 6800719. The next prime is 6800737. The reversal of 6800725 is 5270086.

It can be written as a sum of positive squares in 3 ways, for example, as 763876 + 6036849 = 874^2 + 2457^2 .

It is not a de Polignac number, because 6800725 - 2¹⁷ = 6669653 is a prime.

6800725 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6800693 and 6800702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135990 + ... + 136039.

Almost surely, 2^6800725 is an apocalyptic number.

It is an amenable number.

6800725 is a deficient number, since it is larger than the sum of its proper divisors (1632205).

6800725 is a wasteful number, since it uses less digits than its factorization.

6800725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272039 (or 272034 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 6800725 is about 2607.8199707802. The cubic root of 6800725 is about 189.4603802319.

The spelling of 6800725 in words is "six million, eight hundred thousand, seven hundred twenty-five".