36668713 has 2 divisors, whose sum is σ = 36668714. Its totient is φ = 36668712.

The previous prime is 36668707. The next prime is 36668729. The reversal of 36668713 is 31786663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31775769 + 4892944 = 5637^2 + 2212^2 .

It is a cyclic number.

It is not a de Polignac number, because 36668713 - 2¹³ = 36660521 is a prime.

It is not a weakly prime, because it can be changed into another prime (36668743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18334356 + 18334357.

It is an arithmetic number, because the mean of its divisors is an integer number (18334357).

Almost surely, 2^36668713 is an apocalyptic number.

It is an amenable number.

36668713 is a deficient number, since it is larger than the sum of its proper divisors (1).

36668713 is an equidigital number, since it uses as much as digits as its factorization.

36668713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 36668713 is about 6055.4696762514. The cubic root of 36668713 is about 332.2246779600.

The spelling of 36668713 in words is "thirty-six million, six hundred sixty-eight thousand, seven hundred thirteen".