36566789 has 12 divisors (see below), whose sum is σ = 42665868. Its totient is φ = 31248000.

The previous prime is 36566753. The next prime is 36566819. The reversal of 36566789 is 98766563.

It can be written as a sum of positive squares in 2 ways, for example, as 17056900 + 19509889 = 4130^2 + 4417^2 .

It is not a de Polignac number, because 36566789 - 2²⁰ = 35518213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36560789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18719 + ... + 20579.

It is an arithmetic number, because the mean of its divisors is an integer number (3555489).

Almost surely, 2^36566789 is an apocalyptic number.

It is an amenable number.

36566789 is a deficient number, since it is larger than the sum of its proper divisors (6099079).

36566789 is a wasteful number, since it uses less digits than its factorization.

36566789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276 (or 2269 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

The square root of 36566789 is about 6047.0479574748. The cubic root of 36566789 is about 331.9165761506.

The spelling of 36566789 in words is "thirty-six million, five hundred sixty-six thousand, seven hundred eighty-nine".