27730196 has 72 divisors (see below), whose sum is σ = 59028480. Its totient is φ = 11321856.

The previous prime is 27730189. The next prime is 27730201. The reversal of 27730196 is 69103772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218285 + ... + 218411.

It is an arithmetic number, because the mean of its divisors is an integer number (819840).

Almost surely, 2^27730196 is an apocalyptic number.

27730196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27730196 is an abundant number, since it is smaller than the sum of its proper divisors (31298284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27730196 is a wasteful number, since it uses less digits than its factorization.

27730196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 27730196 is about 5265.9468284441. The cubic root of 27730196 is about 302.6804096520.

The spelling of 27730196 in words is "twenty-seven million, seven hundred thirty thousand, one hundred ninety-six".