27075945 has 32 divisors (see below), whose sum is σ = 48690432. Its totient is φ = 12748032.

The previous prime is 27075929. The next prime is 27075959. The reversal of 27075945 is 54957072.

It is not a de Polignac number, because 27075945 - 2⁴ = 27075929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1467 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (1521576).

Almost surely, 2^27075945 is an apocalyptic number.

It is an amenable number.

27075945 is a deficient number, since it is larger than the sum of its proper divisors (21614487).

27075945 is a wasteful number, since it uses less digits than its factorization.

27075945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6081.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 27075945 is about 5203.4551021413. The cubic root of 27075945 is about 300.2810144652.

The spelling of 27075945 in words is "twenty-seven million, seventy-five thousand, nine hundred forty-five".