27620361 has 6 divisors (see below), whose sum is σ = 39896090. Its totient is φ = 18413568.

The previous prime is 27620339. The next prime is 27620363. The reversal of 27620361 is 16302672.

It is a happy number.

27620361 is a `hidden beast` number, since 2 + 7 + 620 + 36 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 26010000 + 1610361 = 5100^2 + 1269^2 .

It is not a de Polignac number, because 27620361 - 2¹⁴ = 27603977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27620363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1534456 + ... + 1534473.

Almost surely, 2^27620361 is an apocalyptic number.

It is an amenable number.

27620361 is a deficient number, since it is larger than the sum of its proper divisors (12275729).

27620361 is a wasteful number, since it uses less digits than its factorization.

27620361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068935 (or 3068932 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 27620361 is about 5255.5076824223. The cubic root of 27620361 is about 302.2802575065.

The spelling of 27620361 in words is "twenty-seven million, six hundred twenty thousand, three hundred sixty-one".