36640673 has 2 divisors, whose sum is σ = 36640674. Its totient is φ = 36640672.

The previous prime is 36640663. The next prime is 36640691. The reversal of 36640673 is 37604663.

36640673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31225744 + 5414929 = 5588^2 + 2327^2 .

It is a cyclic number.

It is not a de Polignac number, because 36640673 - 2¹² = 36636577 is a prime.

It is not a weakly prime, because it can be changed into another prime (36640613) 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, 18320336 + 18320337.

It is an arithmetic number, because the mean of its divisors is an integer number (18320337).

Almost surely, 2^36640673 is an apocalyptic number.

It is an amenable number.

36640673 is a deficient number, since it is larger than the sum of its proper divisors (1).

36640673 is an equidigital number, since it uses as much as digits as its factorization.

36640673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 36640673 is about 6053.1539712781. The cubic root of 36640673 is about 332.1399740011.

The spelling of 36640673 in words is "thirty-six million, six hundred forty thousand, six hundred seventy-three".