36664814 has 4 divisors (see below), whose sum is σ = 54997224. Its totient is φ = 18332406.

The previous prime is 36664811. The next prime is 36664819. The reversal of 36664814 is 41846663.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36664811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9166202 + ... + 9166205.

It is an arithmetic number, because the mean of its divisors is an integer number (13749306).

Almost surely, 2^36664814 is an apocalyptic number.

36664814 is a deficient number, since it is larger than the sum of its proper divisors (18332410).

36664814 is a wasteful number, since it uses less digits than its factorization.

36664814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18332409.

The product of its digits is 82944, while the sum is 38.

The square root of 36664814 is about 6055.1477273474. The cubic root of 36664814 is about 332.2129023451.

The spelling of 36664814 in words is "thirty-six million, six hundred sixty-four thousand, eight hundred fourteen".