27750613 has 8 divisors (see below), whose sum is σ = 32054400. Its totient is φ = 23743680.

The previous prime is 27750607. The next prime is 27750623. The reversal of 27750613 is 31605772.

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 27750613 - 2⁹ = 27750101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27750623) 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, 74013 + ... + 74386.

It is an arithmetic number, because the mean of its divisors is an integer number (4006800).

Almost surely, 2^27750613 is an apocalyptic number.

It is an amenable number.

27750613 is a deficient number, since it is larger than the sum of its proper divisors (4303787).

27750613 is a wasteful number, since it uses less digits than its factorization.

27750613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148427.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 27750613 is about 5267.8850594902. The cubic root of 27750613 is about 302.7546765854.

The spelling of 27750613 in words is "twenty-seven million, seven hundred fifty thousand, six hundred thirteen".