6677537572 has 24 divisors (see below), whose sum is σ = 11784923136. Its totient is φ = 3310449408.

The previous prime is 6677537563. The next prime is 6677537597. The reversal of 6677537572 is 2757357766.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151793 + ... + 1157575.

It is an arithmetic number, because the mean of its divisors is an integer number (491038464).

Almost surely, 2^6677537572 is an apocalyptic number.

It is an amenable number.

6677537572 is a deficient number, since it is larger than the sum of its proper divisors (5107385564).

6677537572 is a wasteful number, since it uses less digits than its factorization.

6677537572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8187 (or 8185 counting only the distinct ones).

The product of its digits is 12965400, while the sum is 55.

The square root of 6677537572 is about 81716.2014046174. The cubic root of 6677537572 is about 1883.0944935816.

The spelling of 6677537572 in words is "six billion, six hundred seventy-seven million, five hundred thirty-seven thousand, five hundred seventy-two".