36773821 has 16 divisors (see below), whose sum is σ = 43182720. Its totient is φ = 30666240.

The previous prime is 36773809. The next prime is 36773831. The reversal of 36773821 is 12837763.

It is a cyclic number.

It is not a de Polignac number, because 36773821 - 2¹¹ = 36771773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36773831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41301 + ... + 42181.

It is an arithmetic number, because the mean of its divisors is an integer number (2698920).

Almost surely, 2^36773821 is an apocalyptic number.

It is an amenable number.

36773821 is a deficient number, since it is larger than the sum of its proper divisors (6408899).

36773821 is an equidigital number, since it uses as much as digits as its factorization.

36773821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044.

The product of its digits is 42336, while the sum is 37.

The square root of 36773821 is about 6064.1422311816. The cubic root of 36773821 is about 332.5418071689.

The spelling of 36773821 in words is "thirty-six million, seven hundred seventy-three thousand, eight hundred twenty-one".