27071728 has 10 divisors (see below), whose sum is σ = 52451504. Its totient is φ = 13535856.

The previous prime is 27071719. The next prime is 27071731. The reversal of 27071728 is 82717072.

It is a junction number, because it is equal to n+sod(n) for n = 27071693 and 27071702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 845976 + ... + 846007.

Almost surely, 2^27071728 is an apocalyptic number.

It is an amenable number.

27071728 is a deficient number, since it is larger than the sum of its proper divisors (25379776).

27071728 is a wasteful number, since it uses less digits than its factorization.

27071728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691991 (or 1691985 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 34.

The square root of 27071728 is about 5203.0498748330. The cubic root of 27071728 is about 300.2654243564.

The spelling of 27071728 in words is "twenty-seven million, seventy-one thousand, seven hundred twenty-eight".