27313980 has 24 divisors (see below), whose sum is σ = 76479312. Its totient is φ = 7283712.

The previous prime is 27313931. The next prime is 27313981. The reversal of 27313980 is 8931372.

27313980 is nontrivially palindromic in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27313981) 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, 227557 + ... + 227676.

It is an arithmetic number, because the mean of its divisors is an integer number (3186638).

Almost surely, 2^27313980 is an apocalyptic number.

27313980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27313980 is an abundant number, since it is smaller than the sum of its proper divisors (49165332).

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

27313980 is a wasteful number, since it uses less digits than its factorization.

27313980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455245 (or 455243 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 27313980 is about 5226.2778341761. The cubic root of 27313980 is about 301.1584100851.

The spelling of 27313980 in words is "twenty-seven million, three hundred thirteen thousand, nine hundred eighty".