36989737 has 2 divisors, whose sum is σ = 36989738. Its totient is φ = 36989736.

The previous prime is 36989731. The next prime is 36989783. The reversal of 36989737 is 73798963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36735721 + 254016 = 6061^2 + 504^2 .

It is a cyclic number.

It is not a de Polignac number, because 36989737 - 2⁷ = 36989609 is a prime.

It is not a weakly prime, because it can be changed into another prime (36989731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18494868 + 18494869.

It is an arithmetic number, because the mean of its divisors is an integer number (18494869).

Almost surely, 2^36989737 is an apocalyptic number.

It is an amenable number.

36989737 is a deficient number, since it is larger than the sum of its proper divisors (1).

36989737 is an equidigital number, since it uses as much as digits as its factorization.

36989737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 52.

The square root of 36989737 is about 6081.9188583867. The cubic root of 36989737 is about 333.1913727724.

The spelling of 36989737 in words is "thirty-six million, nine hundred eighty-nine thousand, seven hundred thirty-seven".