27109445 has 12 divisors (see below), whose sum is σ = 35758380. Its totient is φ = 19715520.

The previous prime is 27109429. The next prime is 27109457. The reversal of 27109445 is 54490172.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14485636 + 12623809 = 3806^2 + 3553^2 .

It is not a de Polignac number, because 27109445 - 2⁴ = 27109429 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21800 + ... + 23009.

It is an arithmetic number, because the mean of its divisors is an integer number (2979865).

Almost surely, 2^27109445 is an apocalyptic number.

It is an amenable number.

27109445 is a deficient number, since it is larger than the sum of its proper divisors (8648935).

27109445 is a wasteful number, since it uses less digits than its factorization.

27109445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44836 (or 44825 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 27109445 is about 5206.6731220617. The cubic root of 27109445 is about 300.4048053815.

The spelling of 27109445 in words is "twenty-seven million, one hundred nine thousand, four hundred forty-five".