27272072345 has 64 divisors (see below), whose sum is σ = 39118464000. Its totient is φ = 18239477760.

The previous prime is 27272072327. The next prime is 27272072411. The reversal of 27272072345 is 54327027272.

It is not a de Polignac number, because 27272072345 - 2⁶ = 27272072281 is a prime.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 11810051 + ... + 11812359.

It is an arithmetic number, because the mean of its divisors is an integer number (611226000).

Almost surely, 2^27272072345 is an apocalyptic number.

It is an amenable number.

27272072345 is a deficient number, since it is larger than the sum of its proper divisors (11846391655).

27272072345 is an equidigital number, since it uses as much as digits as its factorization.

27272072345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503 (or 2489 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 41.

The spelling of 27272072345 in words is "twenty-seven billion, two hundred seventy-two million, seventy-two thousand, three hundred forty-five".