27313905 has 8 divisors (see below), whose sum is σ = 43702272. Its totient is φ = 14567408.

The previous prime is 27313877. The next prime is 27313927. The reversal of 27313905 is 50931372.

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 27313905 - 2⁶ = 27313841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910449 + ... + 910478.

It is an arithmetic number, because the mean of its divisors is an integer number (5462784).

Almost surely, 2^27313905 is an apocalyptic number.

It is an amenable number.

27313905 is a deficient number, since it is larger than the sum of its proper divisors (16388367).

27313905 is a wasteful number, since it uses less digits than its factorization.

27313905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820935.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 27313905 is about 5226.2706588924. The cubic root of 27313905 is about 301.1581344399.

The spelling of 27313905 in words is "twenty-seven million, three hundred thirteen thousand, nine hundred five".