36640733 has 2 divisors, whose sum is σ = 36640734. Its totient is φ = 36640732.

The previous prime is 36640727. The next prime is 36640781. The reversal of 36640733 is 33704663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36445369 + 195364 = 6037^2 + 442^2 .

It is an emirp because it is prime and its reverse (33704663) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36640733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36640733.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36640033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18320366 + 18320367.

It is an arithmetic number, because the mean of its divisors is an integer number (18320367).

Almost surely, 2^36640733 is an apocalyptic number.

It is an amenable number.

36640733 is a deficient number, since it is larger than the sum of its proper divisors (1).

36640733 is an equidigital number, since it uses as much as digits as its factorization.

36640733 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 36640733 is about 6053.1589273701. The cubic root of 36640733 is about 332.1401552968.

It can be divided in two parts, 36640 and 733, that added together give a palindrome (37373).

The spelling of 36640733 in words is "thirty-six million, six hundred forty thousand, seven hundred thirty-three".