6971966 has 4 divisors (see below), whose sum is σ = 10457952. Its totient is φ = 3485982.

The previous prime is 6971963. The next prime is 6971981. The reversal of 6971966 is 6691796.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6971963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742990 + ... + 1742993.

It is an arithmetic number, because the mean of its divisors is an integer number (2614488).

Almost surely, 2^6971966 is an apocalyptic number.

6971966 is a deficient number, since it is larger than the sum of its proper divisors (3485986).

6971966 is a wasteful number, since it uses less digits than its factorization.

6971966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485985.

The product of its digits is 122472, while the sum is 44.

The square root of 6971966 is about 2640.4480680369. The cubic root of 6971966 is about 191.0374094100.

The spelling of 6971966 in words is "six million, nine hundred seventy-one thousand, nine hundred sixty-six".