36729813 has 12 divisors (see below), whose sum is σ = 49380320. Its totient is φ = 24284472.

The previous prime is 36729811. The next prime is 36729817. The reversal of 36729813 is 31892763.

36729813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36729813 - 2¹ = 36729811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36729811) 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 in 11 ways as a sum of consecutive naturals, for example, 83448 + ... + 83886.

Almost surely, 2^36729813 is an apocalyptic number.

It is an amenable number.

36729813 is a deficient number, since it is larger than the sum of its proper divisors (12650507).

36729813 is an equidigital number, since it uses as much as digits as its factorization.

36729813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776 (or 609 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 36729813 is about 6060.5126020824. The cubic root of 36729813 is about 332.4091009743.

The spelling of 36729813 in words is "thirty-six million, seven hundred twenty-nine thousand, eight hundred thirteen".