27672666730 has 16 divisors (see below), whose sum is σ = 50024584584. Its totient is φ = 11021559040.

The previous prime is 27672666719. The next prime is 27672666733. The reversal of 27672666730 is 3766627672.

It can be written as a sum of positive squares in 4 ways, for example, as 20406979609 + 7265687121 = 142853^2 + 85239^2 .

It is not an unprimeable number, because it can be changed into a prime (27672666733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5936011 + ... + 5940670.

Almost surely, 2^27672666730 is an apocalyptic number.

27672666730 is a deficient number, since it is larger than the sum of its proper divisors (22351917854).

27672666730 is a wasteful number, since it uses less digits than its factorization.

27672666730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876921.

The product of its (nonzero) digits is 5334336, while the sum is 52.

The spelling of 27672666730 in words is "twenty-seven billion, six hundred seventy-two million, six hundred sixty-six thousand, seven hundred thirty".