6572728128 has 56 divisors (see below), whose sum is σ = 17951338240. Its totient is φ = 2120232960.

The previous prime is 6572728111. The next prime is 6572728133. The reversal of 6572728128 is 8218272756.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546193 + ... + 558096.

Almost surely, 2^6572728128 is an apocalyptic number.

It is an amenable number.

6572728128 is an abundant number, since it is smaller than the sum of its proper divisors (11378610112).

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

6572728128 is a wasteful number, since it uses less digits than its factorization.

6572728128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104335 (or 1104325 counting only the distinct ones).

The product of its digits is 752640, while the sum is 48.

The square root of 6572728128 is about 81072.3635279002. The cubic root of 6572728128 is about 1873.1902540836.

The spelling of 6572728128 in words is "six billion, five hundred seventy-two million, seven hundred twenty-eight thousand, one hundred twenty-eight".