27697020 has 48 divisors (see below), whose sum is σ = 83519520. Its totient is φ = 6817536.

The previous prime is 27696983. The next prime is 27697051. The reversal of 27697020 is 2079672.

It is a congruent number.

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, 16975 + ... + 18534.

It is an arithmetic number, because the mean of its divisors is an integer number (1739990).

Almost surely, 2^27697020 is an apocalyptic number.

27697020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27697020 is an abundant number, since it is smaller than the sum of its proper divisors (55822500).

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

27697020 is a wasteful number, since it uses less digits than its factorization.

27697020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35534 (or 35532 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 27697020 is about 5262.7958349151. The cubic root of 27697020 is about 302.5596540140.

The spelling of 27697020 in words is "twenty-seven million, six hundred ninety-seven thousand, twenty".