6947663 has 4 divisors (see below), whose sum is σ = 7065480. Its totient is φ = 6829848.

The previous prime is 6947653. The next prime is 6947669. The reversal of 6947663 is 3667496.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6947663 - 2¹² = 6943567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6947663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6947669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58820 + ... + 58937.

It is an arithmetic number, because the mean of its divisors is an integer number (1766370).

Almost surely, 2^6947663 is an apocalyptic number.

6947663 is a deficient number, since it is larger than the sum of its proper divisors (117817).

6947663 is a wasteful number, since it uses less digits than its factorization.

6947663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117816.

The product of its digits is 163296, while the sum is 41.

The square root of 6947663 is about 2635.8419907119. The cubic root of 6947663 is about 190.8151771509.

The spelling of 6947663 in words is "six million, nine hundred forty-seven thousand, six hundred sixty-three".