6974773128 has 48 divisors (see below), whose sum is σ = 19057201020. Its totient is φ = 2304347136.

The previous prime is 6974773121. The next prime is 6974773139. The reversal of 6974773128 is 8213774796.

It can be written as a sum of positive squares in 2 ways, for example, as 6938556804 + 36216324 = 83298^2 + 6018^2 .

It is not an unprimeable number, because it can be changed into a prime (6974773121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420501 + ... + 436772.

Almost surely, 2^6974773128 is an apocalyptic number.

It is an amenable number.

6974773128 is an abundant number, since it is smaller than the sum of its proper divisors (12082427892).

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

6974773128 is a wasteful number, since it uses less digits than its factorization.

6974773128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857398 (or 857391 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 54.

The square root of 6974773128 is about 83515.1071842694. The cubic root of 6974773128 is about 1910.6304514909.

The spelling of 6974773128 in words is "six billion, nine hundred seventy-four million, seven hundred seventy-three thousand, one hundred twenty-eight".