36820786 has 4 divisors (see below), whose sum is σ = 55231182. Its totient is φ = 18410392.

The previous prime is 36820781. The next prime is 36820799. The reversal of 36820786 is 68702863.

It is a happy number.

36820786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 30969225 + 5851561 = 5565^2 + 2419^2 .

It is not an unprimeable number, because it can be changed into a prime (36820781) by changing a digit.

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 as a sum of consecutive naturals, namely, 9205195 + ... + 9205198.

Almost surely, 2^36820786 is an apocalyptic number.

36820786 is a deficient number, since it is larger than the sum of its proper divisors (18410396).

36820786 is a wasteful number, since it uses less digits than its factorization.

36820786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18410395.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 36820786 is about 6068.0133486999. The cubic root of 36820786 is about 332.6833134687.

The spelling of 36820786 in words is "thirty-six million, eight hundred twenty thousand, seven hundred eighty-six".