36387773 has 2 divisors, whose sum is σ = 36387774. Its totient is φ = 36387772.

The previous prime is 36387763. The next prime is 36387809. The reversal of 36387773 is 37778363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24186724 + 12201049 = 4918^2 + 3493^2 .

It is a cyclic number.

It is not a de Polignac number, because 36387773 - 2⁸ = 36387517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36387763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18193886 + 18193887.

It is an arithmetic number, because the mean of its divisors is an integer number (18193887).

Almost surely, 2^36387773 is an apocalyptic number.

It is an amenable number.

36387773 is a deficient number, since it is larger than the sum of its proper divisors (1).

36387773 is an equidigital number, since it uses as much as digits as its factorization.

36387773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 444528, while the sum is 44.

The square root of 36387773 is about 6032.2278637333. The cubic root of 36387773 is about 331.3740473818.

It can be divided in two parts, 3638 and 7773, that added together give a palindrome (11411).

The spelling of 36387773 in words is "thirty-six million, three hundred eighty-seven thousand, seven hundred seventy-three".