27270726243 has 8 divisors (see below), whose sum is σ = 36485068368. Its totient is φ = 18118434144.

The previous prime is 27270726233. The next prime is 27270726251. The reversal of 27270726243 is 34262707272.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27270726243 - 2⁵ = 27270726211 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 27270726195 and 27270726204.

It is not an unprimeable number, because it can be changed into a prime (27270726233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15511480 + ... + 15513237.

It is an arithmetic number, because the mean of its divisors is an integer number (4560633546).

Almost surely, 2^27270726243 is an apocalyptic number.

27270726243 is a deficient number, since it is larger than the sum of its proper divisors (9214342125).

27270726243 is a wasteful number, since it uses less digits than its factorization.

27270726243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31025013.

The product of its (nonzero) digits is 395136, while the sum is 42.

The spelling of 27270726243 in words is "twenty-seven billion, two hundred seventy million, seven hundred twenty-six thousand, two hundred forty-three".