27372689 has 2 divisors, whose sum is σ = 27372690. Its totient is φ = 27372688.

The previous prime is 27372619. The next prime is 27372727. The reversal of 27372689 is 98627372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23931664 + 3441025 = 4892^2 + 1855^2 .

It is a cyclic number.

It is not a de Polignac number, because 27372689 - 2¹⁶ = 27307153 is a prime.

It is not a weakly prime, because it can be changed into another prime (27372619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13686344 + 13686345.

It is an arithmetic number, because the mean of its divisors is an integer number (13686345).

Almost surely, 2^27372689 is an apocalyptic number.

It is an amenable number.

27372689 is a deficient number, since it is larger than the sum of its proper divisors (1).

27372689 is an equidigital number, since it uses as much as digits as its factorization.

27372689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 27372689 is about 5231.8915317503. The cubic root of 27372689 is about 301.3740268559.

The spelling of 27372689 in words is "twenty-seven million, three hundred seventy-two thousand, six hundred eighty-nine".