36640337 has 2 divisors, whose sum is σ = 36640338. Its totient is φ = 36640336.

The previous prime is 36640333. The next prime is 36640349. The reversal of 36640337 is 73304663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34939921 + 1700416 = 5911^2 + 1304^2 .

It is a cyclic number.

It is not a de Polignac number, because 36640337 - 2² = 36640333 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36640333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18320168 + 18320169.

It is an arithmetic number, because the mean of its divisors is an integer number (18320169).

Almost surely, 2^36640337 is an apocalyptic number.

It is an amenable number.

36640337 is a deficient number, since it is larger than the sum of its proper divisors (1).

36640337 is an equidigital number, since it uses as much as digits as its factorization.

36640337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 32.

The square root of 36640337 is about 6053.1262170882. The cubic root of 36640337 is about 332.1389587417.

The spelling of 36640337 in words is "thirty-six million, six hundred forty thousand, three hundred thirty-seven".