27628613 has 8 divisors (see below), whose sum is σ = 28089600. Its totient is φ = 27171648.

The previous prime is 27628609. The next prime is 27628631. The reversal of 27628613 is 31682672.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27628613 - 2² = 27628609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27628633) 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 7 ways as a sum of consecutive naturals, for example, 14828 + ... + 16586.

It is an arithmetic number, because the mean of its divisors is an integer number (3511200).

Almost surely, 2^27628613 is an apocalyptic number.

It is an amenable number.

27628613 is a deficient number, since it is larger than the sum of its proper divisors (460987).

27628613 is a wasteful number, since it uses less digits than its factorization.

27628613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011.

The product of its digits is 24192, while the sum is 35.

The square root of 27628613 is about 5256.2927049395. The cubic root of 27628613 is about 302.3103581065.

The spelling of 27628613 in words is "twenty-seven million, six hundred twenty-eight thousand, six hundred thirteen".