36661337 has 4 divisors (see below), whose sum is σ = 36929076. Its totient is φ = 36393600.

The previous prime is 36661321. The next prime is 36661357. The reversal of 36661337 is 73316663.

36661337 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 7706176 + 28955161 = 2776^2 + 5381^2 .

It is a cyclic number.

It is not a de Polignac number, because 36661337 - 2⁴ = 36661321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36661297 and 36661306.

It is not an unprimeable number, because it can be changed into a prime (36661357) 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, 133664 + ... + 133937.

It is an arithmetic number, because the mean of its divisors is an integer number (9232269).

Almost surely, 2^36661337 is an apocalyptic number.

It is an amenable number.

36661337 is a deficient number, since it is larger than the sum of its proper divisors (267739).

36661337 is a wasteful number, since it uses less digits than its factorization.

36661337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267738.

The product of its digits is 40824, while the sum is 35.

The square root of 36661337 is about 6054.8606094608. The cubic root of 36661337 is about 332.2024005347.

The spelling of 36661337 in words is "thirty-six million, six hundred sixty-one thousand, three hundred thirty-seven".