27105806072 has 64 divisors (see below), whose sum is σ = 53028864000. Its totient is φ = 12973274496.

The previous prime is 27105806053. The next prime is 27105806081. The reversal of 27105806072 is 27060850172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21192329 + ... + 21193607.

It is an arithmetic number, because the mean of its divisors is an integer number (828576000).

Almost surely, 2^27105806072 is an apocalyptic number.

It is an amenable number.

27105806072 is a deficient number, since it is larger than the sum of its proper divisors (25923057928).

27105806072 is a wasteful number, since it uses less digits than its factorization.

27105806072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 27105806072 in words is "twenty-seven billion, one hundred five million, eight hundred six thousand, seventy-two".