27000061 has 12 divisors (see below), whose sum is σ = 29838816. Its totient is φ = 24412520.

The previous prime is 27000049. The next prime is 27000079. The reversal of 27000061 is 16000072.

It is a de Polignac number, because none of the positive numbers 2^k-27000061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26999999 and 27000044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27000011) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 26976 + ... + 27958.

It is an arithmetic number, because the mean of its divisors is an integer number (2486568).

Almost surely, 2^27000061 is an apocalyptic number.

It is an amenable number.

27000061 is a deficient number, since it is larger than the sum of its proper divisors (2838755).

27000061 is a wasteful number, since it uses less digits than its factorization.

27000061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 27000061 is about 5196.1582924311. The cubic root of 27000061 is about 300.0002259258. Note that the first 3 decimals are identical.

The spelling of 27000061 in words is "twenty-seven million, sixty-one", and thus it is an aban number and an uban number.