36687733 has 2 divisors, whose sum is σ = 36687734. Its totient is φ = 36687732.

The previous prime is 36687731. The next prime is 36687769. The reversal of 36687733 is 33778663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36687249 + 484 = 6057^2 + 22^2 .

It is a cyclic number.

It is not a de Polignac number, because 36687733 - 2¹ = 36687731 is a prime.

Together with 36687731, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 36687733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36687731) 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 as a sum of consecutive naturals, namely, 18343866 + 18343867.

It is an arithmetic number, because the mean of its divisors is an integer number (18343867).

Almost surely, 2^36687733 is an apocalyptic number.

It is an amenable number.

36687733 is a deficient number, since it is larger than the sum of its proper divisors (1).

36687733 is an equidigital number, since it uses as much as digits as its factorization.

36687733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 43.

The square root of 36687733 is about 6057.0399536407. The cubic root of 36687733 is about 332.2821094926.

The spelling of 36687733 in words is "thirty-six million, six hundred eighty-seven thousand, seven hundred thirty-three".