27030197 has 4 divisors (see below), whose sum is σ = 27410976. Its totient is φ = 26649420.

The previous prime is 27030181. The next prime is 27030247. The reversal of 27030197 is 79103072.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27030197 - 2⁴ = 27030181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27030167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190283 + ... + 190424.

It is an arithmetic number, because the mean of its divisors is an integer number (6852744).

Almost surely, 2^27030197 is an apocalyptic number.

It is an amenable number.

27030197 is a deficient number, since it is larger than the sum of its proper divisors (380779).

27030197 is an equidigital number, since it uses as much as digits as its factorization.

27030197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380778.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 27030197 is about 5199.0573183992. The cubic root of 27030197 is about 300.1117990721. Note that the first 3 decimals are identical.

The spelling of 27030197 in words is "twenty-seven million, thirty thousand, one hundred ninety-seven".