6572561772 has 48 divisors (see below), whose sum is σ = 17583991040. Its totient is φ = 1871750592.

The previous prime is 6572561761. The next prime is 6572561773. The reversal of 6572561772 is 2771652756.

It is not an unprimeable number, because it can be changed into a prime (6572561773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101647 + ... + 153222.

Almost surely, 2^6572561772 is an apocalyptic number.

It is an amenable number.

6572561772 is an abundant number, since it is smaller than the sum of its proper divisors (11011429268).

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

6572561772 is a wasteful number, since it uses less digits than its factorization.

6572561772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255190 (or 255188 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 48.

The square root of 6572561772 is about 81071.3375490993. The cubic root of 6572561772 is about 1873.1744504447.

The spelling of 6572561772 in words is "six billion, five hundred seventy-two million, five hundred sixty-one thousand, seven hundred seventy-two".