36728147 has 2 divisors, whose sum is σ = 36728148. Its totient is φ = 36728146.

The previous prime is 36728117. The next prime is 36728173. The reversal of 36728147 is 74182763.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36728147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36728147.

It is not a weakly prime, because it can be changed into another prime (36728117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18364073 + 18364074.

It is an arithmetic number, because the mean of its divisors is an integer number (18364074).

Almost surely, 2^36728147 is an apocalyptic number.

36728147 is a deficient number, since it is larger than the sum of its proper divisors (1).

36728147 is an equidigital number, since it uses as much as digits as its factorization.

36728147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 38.

The square root of 36728147 is about 6060.3751534043. The cubic root of 36728147 is about 332.4040750667.

The spelling of 36728147 in words is "thirty-six million, seven hundred twenty-eight thousand, one hundred forty-seven".