27630632 has 8 divisors (see below), whose sum is σ = 51807450. Its totient is φ = 13815312.

The previous prime is 27630557. The next prime is 27630637. The reversal of 27630632 is 23603672.

It can be written as a sum of positive squares in only one way, i.e., 16434916 + 11195716 = 4054^2 + 3346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 27630595 and 27630604.

It is not an unprimeable number, because it can be changed into a prime (27630637) 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 as a sum of consecutive naturals, namely, 1726907 + ... + 1726922.

Almost surely, 2^27630632 is an apocalyptic number.

It is an amenable number.

27630632 is a deficient number, since it is larger than the sum of its proper divisors (24176818).

27630632 is a wasteful number, since it uses less digits than its factorization.

27630632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453835 (or 3453831 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 27630632 is about 5256.4847569455. The cubic root of 27630632 is about 302.3177218462.

The spelling of 27630632 in words is "twenty-seven million, six hundred thirty thousand, six hundred thirty-two".