36780665 has 16 divisors (see below), whose sum is σ = 44937936. Its totient is φ = 28896000.

The previous prime is 36780647. The next prime is 36780677. The reversal of 36780665 is 56608763.

36780665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 395641 + 36385024 = 629^2 + 6032^2 .

It is not a de Polignac number, because 36780665 - 2¹⁰ = 36779641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 87155 + ... + 87575.

It is an arithmetic number, because the mean of its divisors is an integer number (2808621).

Almost surely, 2^36780665 is an apocalyptic number.

It is an amenable number.

36780665 is a deficient number, since it is larger than the sum of its proper divisors (8157271).

36780665 is a wasteful number, since it uses less digits than its factorization.

36780665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 36780665 is about 6064.7065056769. The cubic root of 36780665 is about 332.5624357474.

The spelling of 36780665 in words is "thirty-six million, seven hundred eighty thousand, six hundred sixty-five".