27045473 has 16 divisors (see below), whose sum is σ = 33411840. Its totient is φ = 21318336.

The previous prime is 27045463. The next prime is 27045481. The reversal of 27045473 is 37454072.

It is not a de Polignac number, because 27045473 - 2⁴ = 27045457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27045463) 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 15 ways as a sum of consecutive naturals, for example, 39611 + ... + 40287.

It is an arithmetic number, because the mean of its divisors is an integer number (2088240).

Almost surely, 2^27045473 is an apocalyptic number.

It is an amenable number.

27045473 is a deficient number, since it is larger than the sum of its proper divisors (6366367).

27045473 is a wasteful number, since it uses less digits than its factorization.

27045473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 27045473 is about 5200.5262233739. The cubic root of 27045473 is about 300.1683240576.

The spelling of 27045473 in words is "twenty-seven million, forty-five thousand, four hundred seventy-three".