36577969 has 2 divisors, whose sum is σ = 36577970. Its totient is φ = 36577968.

The previous prime is 36577963. The next prime is 36577997. The reversal of 36577969 is 96977563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22924944 + 13653025 = 4788^2 + 3695^2 .

It is an emirp because it is prime and its reverse (96977563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36577969 - 2⁷ = 36577841 is a prime.

It is a super-2 number, since 2×36577969² = 2675895632329922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36577963) 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 as a sum of consecutive naturals, namely, 18288984 + 18288985.

It is an arithmetic number, because the mean of its divisors is an integer number (18288985).

Almost surely, 2^36577969 is an apocalyptic number.

It is an amenable number.

36577969 is a deficient number, since it is larger than the sum of its proper divisors (1).

36577969 is an equidigital number, since it uses as much as digits as its factorization.

36577969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2143260, while the sum is 52.

The square root of 36577969 is about 6047.9723048308. The cubic root of 36577969 is about 331.9503996400.

The spelling of 36577969 in words is "thirty-six million, five hundred seventy-seven thousand, nine hundred sixty-nine".