27272980 has 48 divisors (see below), whose sum is σ = 68906880. Its totient is φ = 8857728.

The previous prime is 27272957. The next prime is 27272989. The reversal of 27272980 is 8927272.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27272989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2467 + ... + 7786.

It is an arithmetic number, because the mean of its divisors is an integer number (1435560).

Almost surely, 2^27272980 is an apocalyptic number.

27272980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27272980 is an abundant number, since it is smaller than the sum of its proper divisors (41633900).

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

27272980 is a wasteful number, since it uses less digits than its factorization.

27272980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10288 (or 10286 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 27272980 is about 5222.3538754091. The cubic root of 27272980 is about 301.0076487278.

The spelling of 27272980 in words is "twenty-seven million, two hundred seventy-two thousand, nine hundred eighty".