6947161 has 8 divisors (see below), whose sum is σ = 7527240. Its totient is φ = 6373632.

The previous prime is 6947147. The next prime is 6947167. The reversal of 6947161 is 1617496.

It can be written as a sum of positive squares in 4 ways, for example, as 2785561 + 4161600 = 1669^2 + 2040^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6947161 - 2¹³ = 6938969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6947167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (940905).

Almost surely, 2^6947161 is an apocalyptic number.

It is an amenable number.

6947161 is a deficient number, since it is larger than the sum of its proper divisors (580079).

6947161 is a wasteful number, since it uses less digits than its factorization.

6947161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275.

The product of its digits is 9072, while the sum is 34.

The square root of 6947161 is about 2635.7467632533. The cubic root of 6947161 is about 190.8105812877.

The spelling of 6947161 in words is "six million, nine hundred forty-seven thousand, one hundred sixty-one".