27705152 has 14 divisors (see below), whose sum is σ = 54977538. Its totient is φ = 13852544.

The previous prime is 27705149. The next prime is 27705157. The reversal of 27705152 is 25150772.

It can be written as a sum of positive squares in only one way, i.e., 18800896 + 8904256 = 4336^2 + 2984^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27705157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216383 + ... + 216510.

It is an arithmetic number, because the mean of its divisors is an integer number (3926967).

Almost surely, 2^27705152 is an apocalyptic number.

It is an amenable number.

27705152 is a deficient number, since it is larger than the sum of its proper divisors (27272386).

27705152 is an equidigital number, since it uses as much as digits as its factorization.

27705152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432905 (or 432895 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 27705152 is about 5263.5683713618. The cubic root of 27705152 is about 302.5892621854.

The spelling of 27705152 in words is "twenty-seven million, seven hundred five thousand, one hundred fifty-two".