36720617 has 2 divisors, whose sum is σ = 36720618. Its totient is φ = 36720616.

The previous prime is 36720571. The next prime is 36720631. The reversal of 36720617 is 71602763.

36720617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27258841 + 9461776 = 5221^2 + 3076^2 .

It is an emirp because it is prime and its reverse (71602763) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36720617 - 2⁶ = 36720553 is a prime.

It is not a weakly prime, because it can be changed into another prime (36720637) 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, 18360308 + 18360309.

It is an arithmetic number, because the mean of its divisors is an integer number (18360309).

Almost surely, 2^36720617 is an apocalyptic number.

It is an amenable number.

36720617 is a deficient number, since it is larger than the sum of its proper divisors (1).

36720617 is an equidigital number, since it uses as much as digits as its factorization.

36720617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 36720617 is about 6059.7538728896. The cubic root of 36720617 is about 332.3813570338.

The spelling of 36720617 in words is "thirty-six million, seven hundred twenty thousand, six hundred seventeen".