27782061 has 8 divisors (see below), whose sum is σ = 37425024. Its totient is φ = 18330240.

The previous prime is 27782059. The next prime is 27782071. The reversal of 27782061 is 16028772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27782061 - 2¹ = 27782059 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27782021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47445 + ... + 48026.

It is an arithmetic number, because the mean of its divisors is an integer number (4678128).

Almost surely, 2^27782061 is an apocalyptic number.

It is an amenable number.

27782061 is a deficient number, since it is larger than the sum of its proper divisors (9642963).

27782061 is an equidigital number, since it uses as much as digits as its factorization.

27782061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95571.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 27782061 is about 5270.8690934228. The cubic root of 27782061 is about 302.8689976013.

The spelling of 27782061 in words is "twenty-seven million, seven hundred eighty-two thousand, sixty-one".