27766940 has 24 divisors (see below), whose sum is σ = 58493232. Its totient is φ = 11072000.

The previous prime is 27766919. The next prime is 27766943. The reversal of 27766940 is 4966772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27766943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4940 + ... + 8940.

It is an arithmetic number, because the mean of its divisors is an integer number (2437218).

Almost surely, 2^27766940 is an apocalyptic number.

27766940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27766940 is an abundant number, since it is smaller than the sum of its proper divisors (30726292).

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

27766940 is a wasteful number, since it uses less digits than its factorization.

27766940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357 (or 4355 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 27766940 is about 5269.4345047642. The cubic root of 27766940 is about 302.8140399168.

The spelling of 27766940 in words is "twenty-seven million, seven hundred sixty-six thousand, nine hundred forty".