36775820 has 12 divisors (see below), whose sum is σ = 77229264. Its totient is φ = 14710320.

The previous prime is 36775813. The next prime is 36775829. The reversal of 36775820 is 2857763.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36775829) 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, 919376 + ... + 919415.

It is an arithmetic number, because the mean of its divisors is an integer number (6435772).

Almost surely, 2^36775820 is an apocalyptic number.

It is an amenable number.

36775820 is an abundant number, since it is smaller than the sum of its proper divisors (40453444).

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

36775820 is a wasteful number, since it uses less digits than its factorization.

36775820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838800 (or 1838798 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 36775820 is about 6064.3070502738. The cubic root of 36775820 is about 332.5478326422.

The spelling of 36775820 in words is "thirty-six million, seven hundred seventy-five thousand, eight hundred twenty".