27766040 has 32 divisors (see below), whose sum is σ = 62624880. Its totient is φ = 11079552.

The previous prime is 27766027. The next prime is 27766043. The reversal of 27766040 is 4066772.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27765988 and 27766006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27766043) 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, 28847 + ... + 29793.

Almost surely, 2^27766040 is an apocalyptic number.

27766040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27766040 is an abundant number, since it is smaller than the sum of its proper divisors (34858840).

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

27766040 is a wasteful number, since it uses less digits than its factorization.

27766040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 27766040 is about 5269.3491059143. The cubic root of 27766040 is about 302.8107682133.

The spelling of 27766040 in words is "twenty-seven million, seven hundred sixty-six thousand, forty".