36700649 has 2 divisors, whose sum is σ = 36700650. Its totient is φ = 36700648.

The previous prime is 36700639. The next prime is 36700667. The reversal of 36700649 is 94600763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34140649 + 2560000 = 5843^2 + 1600^2 .

It is a cyclic number.

It is not a de Polignac number, because 36700649 - 2¹² = 36696553 is a prime.

It is not a weakly prime, because it can be changed into another prime (36700639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18350324 + 18350325.

It is an arithmetic number, because the mean of its divisors is an integer number (18350325).

Almost surely, 2^36700649 is an apocalyptic number.

It is an amenable number.

36700649 is a deficient number, since it is larger than the sum of its proper divisors (1).

36700649 is an equidigital number, since it uses as much as digits as its factorization.

36700649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 36700649 is about 6058.1060571766. The cubic root of 36700649 is about 332.3210984755.

The spelling of 36700649 in words is "thirty-six million, seven hundred thousand, six hundred forty-nine".