36636773 has 4 divisors (see below), whose sum is σ = 37900140. Its totient is φ = 35373408.

The previous prime is 36636763. The next prime is 36636779. The reversal of 36636773 is 37763663.

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 25989604 + 10647169 = 5098^2 + 3263^2 .

It is a cyclic number.

It is not a de Polignac number, because 36636773 - 2¹⁰ = 36635749 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36636773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36636779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631640 + ... + 631697.

It is an arithmetic number, because the mean of its divisors is an integer number (9475035).

Almost surely, 2^36636773 is an apocalyptic number.

It is an amenable number.

36636773 is a deficient number, since it is larger than the sum of its proper divisors (1263367).

36636773 is a wasteful number, since it uses less digits than its factorization.

36636773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263366.

The product of its digits is 285768, while the sum is 41.

The square root of 36636773 is about 6052.8318165963. The cubic root of 36636773 is about 332.1281893572.

The spelling of 36636773 in words is "thirty-six million, six hundred thirty-six thousand, seven hundred seventy-three".