27694680 has 128 divisors (see below), whose sum is σ = 91869120. Its totient is φ = 6635520.

The previous prime is 27694669. The next prime is 27694697. The reversal of 27694680 is 8649672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63744 + ... + 64176.

Almost surely, 2^27694680 is an apocalyptic number.

27694680 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 27694680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45934560).

27694680 is an abundant number, since it is smaller than the sum of its proper divisors (64174440).

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

27694680 is a wasteful number, since it uses less digits than its factorization.

27694680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 27694680 is about 5262.5735149259. The cubic root of 27694680 is about 302.5511331270.

The spelling of 27694680 in words is "twenty-seven million, six hundred ninety-four thousand, six hundred eighty".