27696620 has 48 divisors (see below), whose sum is σ = 66900288. Its totient is φ = 9434880.

The previous prime is 27696611. The next prime is 27696631. The reversal of 27696620 is 2669672.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24794 + ... + 25886.

It is an arithmetic number, because the mean of its divisors is an integer number (1393756).

Almost surely, 2^27696620 is an apocalyptic number.

27696620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27696620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33450144).

27696620 is an abundant number, since it is smaller than the sum of its proper divisors (39203668).

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

27696620 is a wasteful number, since it uses less digits than its factorization.

27696620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 27696620 is about 5262.7578321637. The cubic root of 27696620 is about 302.5581974861.

The spelling of 27696620 in words is "twenty-seven million, six hundred ninety-six thousand, six hundred twenty".