36728369 has 2 divisors, whose sum is σ = 36728370. Its totient is φ = 36728368.

The previous prime is 36728357. The next prime is 36728389. The reversal of 36728369 is 96382763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19918369 + 16810000 = 4463^2 + 4100^2 .

It is a cyclic number.

It is not a de Polignac number, because 36728369 - 2⁴ = 36728353 is a prime.

It is a super-2 number, since 2×36728369² = 2697946178800322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36728389) 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, 18364184 + 18364185.

It is an arithmetic number, because the mean of its divisors is an integer number (18364185).

Almost surely, 2^36728369 is an apocalyptic number.

It is an amenable number.

36728369 is a deficient number, since it is larger than the sum of its proper divisors (1).

36728369 is an equidigital number, since it uses as much as digits as its factorization.

36728369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 44.

The square root of 36728369 is about 6060.3934690744. The cubic root of 36728369 is about 332.4047447943.

The spelling of 36728369 in words is "thirty-six million, seven hundred twenty-eight thousand, three hundred sixty-nine".