6824725 has 6 divisors (see below), whose sum is σ = 8462690. Its totient is φ = 5459760.

The previous prime is 6824723. The next prime is 6824749. The reversal of 6824725 is 5274286.

It can be written as a sum of positive squares in 3 ways, for example, as 33489 + 6791236 = 183^2 + 2606^2 .

It is not a de Polignac number, because 6824725 - 2¹ = 6824723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6824723) 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, 136470 + ... + 136519.

Almost surely, 2^6824725 is an apocalyptic number.

It is an amenable number.

6824725 is a deficient number, since it is larger than the sum of its proper divisors (1637965).

6824725 is a wasteful number, since it uses less digits than its factorization.

6824725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272999 (or 272994 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 6824725 is about 2612.4174628110. The cubic root of 6824725 is about 189.6829893748.

The spelling of 6824725 in words is "six million, eight hundred twenty-four thousand, seven hundred twenty-five".