6772609728 has 42 divisors (see below), whose sum is σ = 19412464604. Its totient is φ = 2257536384.

The previous prime is 6772609663. The next prime is 6772609751. The reversal of 6772609728 is 8279062776.

6772609728 is a `hidden beast` number, since 6 + 7 + 7 + 2 + 609 + 7 + 28 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5878426 + ... + 5879577.

Almost surely, 2^6772609728 is an apocalyptic number.

It is an amenable number.

6772609728 is an abundant number, since it is smaller than the sum of its proper divisors (12639854876).

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

6772609728 is a wasteful number, since it uses less digits than its factorization.

6772609728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11758021 (or 11758008 counting only the distinct ones).

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

The square root of 6772609728 is about 82295.8670165155. The cubic root of 6772609728 is about 1891.9893322720.

The spelling of 6772609728 in words is "six billion, seven hundred seventy-two million, six hundred nine thousand, seven hundred twenty-eight".