36780666 has 32 divisors (see below), whose sum is σ = 79591680. Its totient is φ = 11264064.

The previous prime is 36780647. The next prime is 36780677. The reversal of 36780666 is 66608763.

36780666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 17656 + ... + 19628.

It is an arithmetic number, because the mean of its divisors is an integer number (2487240).

Almost surely, 2^36780666 is an apocalyptic number.

36780666 is an abundant number, since it is smaller than the sum of its proper divisors (42811014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36780666 is a wasteful number, since it uses less digits than its factorization.

36780666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 36780666 is about 6064.7065881211. The cubic root of 36780666 is about 332.5624387613.

The spelling of 36780666 in words is "thirty-six million, seven hundred eighty thousand, six hundred sixty-six".