27633629 has 2 divisors, whose sum is σ = 27633630. Its totient is φ = 27633628.

The previous prime is 27633623. The next prime is 27633637. The reversal of 27633629 is 92633672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15031129 + 12602500 = 3877^2 + 3550^2 .

It is a cyclic number.

It is not a de Polignac number, because 27633629 - 2¹² = 27629533 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27633592 and 27633601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27633623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13816814 + 13816815.

It is an arithmetic number, because the mean of its divisors is an integer number (13816815).

Almost surely, 2^27633629 is an apocalyptic number.

It is an amenable number.

27633629 is a deficient number, since it is larger than the sum of its proper divisors (1).

27633629 is an equidigital number, since it uses as much as digits as its factorization.

27633629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 38.

The square root of 27633629 is about 5256.7698256629. The cubic root of 27633629 is about 302.3286519069.

The spelling of 27633629 in words is "twenty-seven million, six hundred thirty-three thousand, six hundred twenty-nine".