27720316 has 24 divisors (see below), whose sum is σ = 54993680. Its totient is φ = 12120192.

The previous prime is 27720311. The next prime is 27720323. The reversal of 27720316 is 61302772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27720311) 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, 13041 + ... + 15016.

Almost surely, 2^27720316 is an apocalyptic number.

27720316 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27720316 is a deficient number, since it is larger than the sum of its proper divisors (27273364).

27720316 is a wasteful number, since it uses less digits than its factorization.

27720316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28093 (or 28091 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 27720316 is about 5265.0086419682. The cubic root of 27720316 is about 302.6444580167.

The spelling of 27720316 in words is "twenty-seven million, seven hundred twenty thousand, three hundred sixteen".