27126729 has 48 divisors (see below), whose sum is σ = 47453952. Its totient is φ = 14598144.

The previous prime is 27126689. The next prime is 27126731. The reversal of 27126729 is 92762172.

It is not a de Polignac number, because 27126729 - 2⁷ = 27126601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27126693 and 27126702.

It is not an unprimeable number, because it can be changed into a prime (27126329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140457 + ... + 140649.

It is an arithmetic number, because the mean of its divisors is an integer number (988624).

Almost surely, 2^27126729 is an apocalyptic number.

It is an amenable number.

27126729 is a deficient number, since it is larger than the sum of its proper divisors (20327223).

27126729 is a wasteful number, since it uses less digits than its factorization.

27126729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 323 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 27126729 is about 5208.3326506666. The cubic root of 27126729 is about 300.4686342254.

It can be divided in two parts, 271 and 26729, that added together give a cube (27000 = 30³).

The spelling of 27126729 in words is "twenty-seven million, one hundred twenty-six thousand, seven hundred twenty-nine".