2736689 has 2 divisors, whose sum is σ = 2736690. Its totient is φ = 2736688.

The previous prime is 2736673. The next prime is 2736691. The reversal of 2736689 is 9866372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2689600 + 47089 = 1640^2 + 217^2 .

It is a cyclic number.

It is not a de Polignac number, because 2736689 - 2⁴ = 2736673 is a prime.

Together with 2736691, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2736089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1368344 + 1368345.

It is an arithmetic number, because the mean of its divisors is an integer number (1368345).

2^2736689 is an apocalyptic number.

It is an amenable number.

2736689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2736689 is an equidigital number, since it uses as much as digits as its factorization.

2736689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 2736689 is about 1654.2941092805. The cubic root of 2736689 is about 139.8755526757.

The spelling of 2736689 in words is "two million, seven hundred thirty-six thousand, six hundred eighty-nine".