27195147 has 18 divisors (see below), whose sum is σ = 45695988. Its totient is φ = 15539832.

The previous prime is 27195139. The next prime is 27195149. The reversal of 27195147 is 74159172.

It is a happy number.

It is not a de Polignac number, because 27195147 - 2³ = 27195139 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27195149) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30393 + ... + 31274.

It is an arithmetic number, because the mean of its divisors is an integer number (2538666).

Almost surely, 2^27195147 is an apocalyptic number.

27195147 is a deficient number, since it is larger than the sum of its proper divisors (18500841).

27195147 is a wasteful number, since it uses less digits than its factorization.

27195147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61687 (or 61677 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 27195147 is about 5214.8966432711. The cubic root of 27195147 is about 300.7210323196.

The spelling of 27195147 in words is "twenty-seven million, one hundred ninety-five thousand, one hundred forty-seven".