3660073 has 2 divisors, whose sum is σ = 3660074. Its totient is φ = 3660072.

The previous prime is 3660071. The next prime is 3660109. The reversal of 3660073 is 3700663.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2152089 + 1507984 = 1467^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 3660073 - 2¹ = 3660071 is a prime.

It is a super-2 number, since 2×3660073² = 26792268730658, which contains 22 as substring.

Together with 3660071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3660071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830036 + 1830037.

It is an arithmetic number, because the mean of its divisors is an integer number (1830037).

Almost surely, 2^3660073 is an apocalyptic number.

It is an amenable number.

3660073 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660073 is an equidigital number, since it uses as much as digits as its factorization.

3660073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 3660073 is about 1913.1317257314. The cubic root of 3660073 is about 154.1096789939.

The spelling of 3660073 in words is "three million, six hundred sixty thousand, seventy-three".