6945725 has 6 divisors (see below), whose sum is σ = 8612730. Its totient is φ = 5556560.

The previous prime is 6945713. The next prime is 6945733. The reversal of 6945725 is 5275496.

It is a happy number.

6945725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2374681 + 4571044 = 1541^2 + 2138^2 .

It is not a de Polignac number, because 6945725 - 2⁴ = 6945709 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138890 + ... + 138939.

It is an arithmetic number, because the mean of its divisors is an integer number (1435455).

Almost surely, 2^6945725 is an apocalyptic number.

It is an amenable number.

6945725 is a deficient number, since it is larger than the sum of its proper divisors (1667005).

6945725 is a wasteful number, since it uses less digits than its factorization.

6945725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277839 (or 277834 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 6945725 is about 2635.4743406074. The cubic root of 6945725 is about 190.7974333329.

The spelling of 6945725 in words is "six million, nine hundred forty-five thousand, seven hundred twenty-five".