36680689 has 2 divisors, whose sum is σ = 36680690. Its totient is φ = 36680688.

The previous prime is 36680687. The next prime is 36680701. The reversal of 36680689 is 98608663.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19936225 + 16744464 = 4465^2 + 4092^2 .

It is a cyclic number.

It is not a de Polignac number, because 36680689 - 2¹ = 36680687 is a prime.

Together with 36680687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (36680681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18340344 + 18340345.

It is an arithmetic number, because the mean of its divisors is an integer number (18340345).

Almost surely, 2^36680689 is an apocalyptic number.

It is an amenable number.

36680689 is a deficient number, since it is larger than the sum of its proper divisors (1).

36680689 is an equidigital number, since it uses as much as digits as its factorization.

36680689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 36680689 is about 6056.4584535849. The cubic root of 36680689 is about 332.2608422115.

The spelling of 36680689 in words is "thirty-six million, six hundred eighty thousand, six hundred eighty-nine".