36681737 has 2 divisors, whose sum is σ = 36681738. Its totient is φ = 36681736.

The previous prime is 36681727. The next prime is 36681769. The reversal of 36681737 is 73718663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35473936 + 1207801 = 5956^2 + 1099^2 .

It is an emirp because it is prime and its reverse (73718663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36681737 - 2¹⁴ = 36665353 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36681694 and 36681703.

It is not a weakly prime, because it can be changed into another prime (36681707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18340868 + 18340869.

It is an arithmetic number, because the mean of its divisors is an integer number (18340869).

Almost surely, 2^36681737 is an apocalyptic number.

It is an amenable number.

36681737 is a deficient number, since it is larger than the sum of its proper divisors (1).

36681737 is an equidigital number, since it uses as much as digits as its factorization.

36681737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 36681737 is about 6056.5449721768. The cubic root of 36681737 is about 332.2640065109.

The spelling of 36681737 in words is "thirty-six million, six hundred eighty-one thousand, seven hundred thirty-seven".