27066398 has 4 divisors (see below), whose sum is σ = 40599600. Its totient is φ = 13533198.

The previous prime is 27066373. The next prime is 27066401. The reversal of 27066398 is 89366072.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6766598 + ... + 6766601.

It is an arithmetic number, because the mean of its divisors is an integer number (10149900).

Almost surely, 2^27066398 is an apocalyptic number.

27066398 is a deficient number, since it is larger than the sum of its proper divisors (13533202).

27066398 is a wasteful number, since it uses less digits than its factorization.

27066398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533201.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 27066398 is about 5202.5376500320. The cubic root of 27066398 is about 300.2457172071.

The spelling of 27066398 in words is "twenty-seven million, sixty-six thousand, three hundred ninety-eight".