27764141 has 2 divisors, whose sum is σ = 27764142. Its totient is φ = 27764140.

The previous prime is 27764137. The next prime is 27764167. The reversal of 27764141 is 14146772.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24542116 + 3222025 = 4954^2 + 1795^2 .

It is a cyclic number.

It is not a de Polignac number, because 27764141 - 2² = 27764137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27764098 and 27764107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27764101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13882070 + 13882071.

It is an arithmetic number, because the mean of its divisors is an integer number (13882071).

Almost surely, 2^27764141 is an apocalyptic number.

It is an amenable number.

27764141 is a deficient number, since it is larger than the sum of its proper divisors (1).

27764141 is an equidigital number, since it uses as much as digits as its factorization.

27764141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 32.

The square root of 27764141 is about 5269.1689097997. The cubic root of 27764141 is about 302.8038646871.

The spelling of 27764141 in words is "twenty-seven million, seven hundred sixty-four thousand, one hundred forty-one".