36684737 has 2 divisors, whose sum is σ = 36684738. Its totient is φ = 36684736.

The previous prime is 36684733. The next prime is 36684751. The reversal of 36684737 is 73748663.

36684737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35509681 + 1175056 = 5959^2 + 1084^2 .

It is an emirp because it is prime and its reverse (73748663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36684737 - 2² = 36684733 is a prime.

It is not a weakly prime, because it can be changed into another prime (36684731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18342368 + 18342369.

It is an arithmetic number, because the mean of its divisors is an integer number (18342369).

Almost surely, 2^36684737 is an apocalyptic number.

It is an amenable number.

36684737 is a deficient number, since it is larger than the sum of its proper divisors (1).

36684737 is an equidigital number, since it uses as much as digits as its factorization.

36684737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 44.

The square root of 36684737 is about 6056.7926330691. The cubic root of 36684737 is about 332.2730642866.

The spelling of 36684737 in words is "thirty-six million, six hundred eighty-four thousand, seven hundred thirty-seven".