36077729 has 2 divisors, whose sum is σ = 36077730. Its totient is φ = 36077728.

The previous prime is 36077669. The next prime is 36077747. The reversal of 36077729 is 92777063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23261329 + 12816400 = 4823^2 + 3580^2 .

It is an emirp because it is prime and its reverse (92777063) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36077729 is a prime.

It is not a weakly prime, because it can be changed into another prime (36077749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18038864 + 18038865.

It is an arithmetic number, because the mean of its divisors is an integer number (18038865).

Almost surely, 2^36077729 is an apocalyptic number.

It is an amenable number.

36077729 is a deficient number, since it is larger than the sum of its proper divisors (1).

36077729 is an equidigital number, since it uses as much as digits as its factorization.

36077729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 36077729 is about 6006.4739240256. The cubic root of 36077729 is about 330.4301980433.

The spelling of 36077729 in words is "thirty-six million, seventy-seven thousand, seven hundred twenty-nine".