6694447936 has 84 divisors (see below), whose sum is σ = 14715439200. Its totient is φ = 3019244800.

The previous prime is 6694447927. The next prime is 6694447937. The reversal of 6694447936 is 6397444966.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694447937) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1011165 + ... + 1017763.

It is an arithmetic number, because the mean of its divisors is an integer number (175183800).

Almost surely, 2^6694447936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6694447936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7357719600).

6694447936 is an abundant number, since it is smaller than the sum of its proper divisors (8020991264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6694447936 is a wasteful number, since it uses less digits than its factorization.

6694447936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764 (or 6743 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 58.

The square root of 6694447936 is about 81819.6060611392. The cubic root of 6694447936 is about 1884.6827522301.

The spelling of 6694447936 in words is "six billion, six hundred ninety-four million, four hundred forty-seven thousand, nine hundred thirty-six".