27906960 has 40 divisors (see below), whose sum is σ = 86512320. Its totient is φ = 7441792.

The previous prime is 27906959. The next prime is 27906971. The reversal of 27906960 is 6960972.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57900 + ... + 58379.

It is an arithmetic number, because the mean of its divisors is an integer number (2162808).

Almost surely, 2^27906960 is an apocalyptic number.

27906960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27906960 is an abundant number, since it is smaller than the sum of its proper divisors (58605360).

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

27906960 is a wasteful number, since it uses less digits than its factorization.

27906960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116295 (or 116289 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 27906960 is about 5282.7038531419. The cubic root of 27906960 is about 303.3221855850.

The spelling of 27906960 in words is "twenty-seven million, nine hundred six thousand, nine hundred sixty".