27146197 has 8 divisors (see below), whose sum is σ = 30025016. Its totient is φ = 24380352.

The previous prime is 27146191. The next prime is 27146219. The reversal of 27146197 is 79164172.

It can be written as a sum of positive squares in 4 ways, for example, as 9790641 + 17355556 = 3129^2 + 4166^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27146197 - 2¹⁹ = 26621909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27146191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27738 + ... + 28699.

It is an arithmetic number, because the mean of its divisors is an integer number (3753127).

Almost surely, 2^27146197 is an apocalyptic number.

It is an amenable number.

27146197 is a deficient number, since it is larger than the sum of its proper divisors (2878819).

27146197 is a wasteful number, since it uses less digits than its factorization.

27146197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56487.

The product of its digits is 21168, while the sum is 37.

The square root of 27146197 is about 5210.2012437141. The cubic root of 27146197 is about 300.5404959991.

It can be divided in two parts, 2714 and 6197, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 27146197 in words is "twenty-seven million, one hundred forty-six thousand, one hundred ninety-seven".