2730668636 has 12 divisors (see below), whose sum is σ = 4779410328. Its totient is φ = 1365122832.

The previous prime is 2730668531. The next prime is 2730668641. The reversal of 2730668636 is 6368660372.

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, 21791 + ... + 77046.

It is an arithmetic number, because the mean of its divisors is an integer number (398284194).

Almost surely, 2^2730668636 is an apocalyptic number.

It is an amenable number.

2730668636 is a deficient number, since it is larger than the sum of its proper divisors (2048741692).

2730668636 is a wasteful number, since it uses less digits than its factorization.

2730668636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105748 (or 105746 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 47.

The square root of 2730668636 is about 52255.8000225812. The cubic root of 2730668636 is about 1397.7290795880.

The spelling of 2730668636 in words is "two billion, seven hundred thirty million, six hundred sixty-eight thousand, six hundred thirty-six".