27765345 has 8 divisors (see below), whose sum is σ = 44424576. Its totient is φ = 14808176.

The previous prime is 27765337. The next prime is 27765349. The reversal of 27765345 is 54356772.

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 27765345 - 2³ = 27765337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27765349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925497 + ... + 925526.

It is an arithmetic number, because the mean of its divisors is an integer number (5553072).

Almost surely, 2^27765345 is an apocalyptic number.

It is an amenable number.

27765345 is a deficient number, since it is larger than the sum of its proper divisors (16659231).

27765345 is a wasteful number, since it uses less digits than its factorization.

27765345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851031.

The product of its digits is 176400, while the sum is 39.

The square root of 27765345 is about 5269.2831580776. The cubic root of 27765345 is about 302.8082416829.

The spelling of 27765345 in words is "twenty-seven million, seven hundred sixty-five thousand, three hundred forty-five".