2688012672 has 32 divisors (see below), whose sum is σ = 7140034680. Its totient is φ = 896004096.

The previous prime is 2688012637. The next prime is 2688012739. The reversal of 2688012672 is 2762108862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

2688012672 is a modest number, since divided by 12672 gives 2688 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3499633 + ... + 3500400.

Almost surely, 2^2688012672 is an apocalyptic number.

It is an amenable number.

2688012672 is an abundant number, since it is smaller than the sum of its proper divisors (4452022008).

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

2688012672 is an equidigital number, since it uses as much as digits as its factorization.

2688012672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000050 (or 7000038 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 2688012672 is about 51846.0477953720. The cubic root of 2688012672 is about 1390.4128428822.

The spelling of 2688012672 in words is "two billion, six hundred eighty-eight million, twelve thousand, six hundred seventy-two".