6975725 has 6 divisors (see below), whose sum is σ = 8649930. Its totient is φ = 5580560.

The previous prime is 6975719. The next prime is 6975743. The reversal of 6975725 is 5275796.

It can be written as a sum of positive squares in 3 ways, for example, as 121801 + 6853924 = 349^2 + 2618^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6975725 is a prime.

It is a Curzon number.

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, 139490 + ... + 139539.

It is an arithmetic number, because the mean of its divisors is an integer number (1441655).

Almost surely, 2^6975725 is an apocalyptic number.

It is an amenable number.

6975725 is a deficient number, since it is larger than the sum of its proper divisors (1674205).

6975725 is a wasteful number, since it uses less digits than its factorization.

6975725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279039 (or 279034 counting only the distinct ones).

The product of its digits is 132300, while the sum is 41.

The square root of 6975725 is about 2641.1597831256. The cubic root of 6975725 is about 191.0717364373.

The spelling of 6975725 in words is "six million, nine hundred seventy-five thousand, seven hundred twenty-five".