27045999 has 12 divisors (see below), whose sum is σ = 40765296. Its totient is φ = 17246592.

The previous prime is 27045979. The next prime is 27046007. The reversal of 27045999 is 99954072.

It is not a de Polignac number, because 27045999 - 2⁷ = 27045871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27045979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65122 + ... + 65535.

It is an arithmetic number, because the mean of its divisors is an integer number (3397108).

Almost surely, 2^27045999 is an apocalyptic number.

27045999 is a deficient number, since it is larger than the sum of its proper divisors (13719297).

27045999 is a wasteful number, since it uses less digits than its factorization.

27045999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130686 (or 130683 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 27045999 is about 5200.5767949334. The cubic root of 27045999 is about 300.1702700088.

The spelling of 27045999 in words is "twenty-seven million, forty-five thousand, nine hundred ninety-nine".