36723689 has 4 divisors (see below), whose sum is σ = 38883924. Its totient is φ = 34563456.

The previous prime is 36723683. The next prime is 36723697. The reversal of 36723689 is 98632763.

36723689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15147664 + 21576025 = 3892^2 + 4645^2 .

It is a cyclic number.

It is not a de Polignac number, because 36723689 - 2²⁰ = 35675113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36723683) 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 3 ways as a sum of consecutive naturals, for example, 1080092 + ... + 1080125.

It is an arithmetic number, because the mean of its divisors is an integer number (9720981).

Almost surely, 2^36723689 is an apocalyptic number.

It is an amenable number.

36723689 is a deficient number, since it is larger than the sum of its proper divisors (2160235).

36723689 is a wasteful number, since it uses less digits than its factorization.

36723689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160234.

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

The square root of 36723689 is about 6060.0073432299. The cubic root of 36723689 is about 332.3906256422.

The spelling of 36723689 in words is "thirty-six million, seven hundred twenty-three thousand, six hundred eighty-nine".