27330472 has 32 divisors (see below), whose sum is σ = 55427400. Its totient is φ = 12559104.

The previous prime is 27330469. The next prime is 27330473. The reversal of 27330472 is 27403372.

It can be written as a sum of positive squares in 4 ways, for example, as 12630916 + 14699556 = 3554^2 + 3834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 27330472.

It is not an unprimeable number, because it can be changed into a prime (27330473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32554 + ... + 33382.

Almost surely, 2^27330472 is an apocalyptic number.

It is an amenable number.

27330472 is an abundant number, since it is smaller than the sum of its proper divisors (28096928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27330472 is a wasteful number, since it uses less digits than its factorization.

27330472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1161 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 27330472 is about 5227.8553920322. The cubic root of 27330472 is about 301.2190103737.

Subtracting 27330472 from its reverse (27403372), we obtain a square (72900 = 270²).

The spelling of 27330472 in words is "twenty-seven million, three hundred thirty thousand, four hundred seventy-two".