36680913 has 6 divisors (see below), whose sum is σ = 52983554. Its totient is φ = 24453936.

The previous prime is 36680909. The next prime is 36680921. The reversal of 36680913 is 31908663.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18558864 + 18122049 = 4308^2 + 4257^2 .

It is not a de Polignac number, because 36680913 - 2² = 36680909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36680953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2037820 + ... + 2037837.

Almost surely, 2^36680913 is an apocalyptic number.

It is an amenable number.

36680913 is a deficient number, since it is larger than the sum of its proper divisors (16302641).

36680913 is a wasteful number, since it uses less digits than its factorization.

36680913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075663 (or 4075660 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 36680913 is about 6056.4769462122. The cubic root of 36680913 is about 332.2615185553.

The spelling of 36680913 in words is "thirty-six million, six hundred eighty thousand, nine hundred thirteen".