27907328 has 18 divisors (see below), whose sum is σ = 55706154. Its totient is φ = 13953536.

The previous prime is 27907289. The next prime is 27907337. The reversal of 27907328 is 82370972.

It can be written as a sum of positive squares in only one way, i.e., 26543104 + 1364224 = 5152^2 + 1168^2 .

It is a junction number, because it is equal to n+sod(n) for n = 27907291 and 27907300.

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, 54251 + ... + 54762.

Almost surely, 2^27907328 is an apocalyptic number.

It is an amenable number.

27907328 is a deficient number, since it is larger than the sum of its proper divisors (27798826).

27907328 is an equidigital number, since it uses as much as digits as its factorization.

27907328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109029 (or 109015 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 27907328 is about 5282.7386836754. The cubic root of 27907328 is about 303.3235188495.

The spelling of 27907328 in words is "twenty-seven million, nine hundred seven thousand, three hundred twenty-eight".