3660739 has 2 divisors, whose sum is σ = 3660740. Its totient is φ = 3660738.

The previous prime is 3660733. The next prime is 3660799. The reversal of 3660739 is 9370663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3660739 - 2⁵ = 3660707 is a prime.

It is a super-2 number, since 2×3660739² = 26802020052242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3660733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830369 + 1830370.

It is an arithmetic number, because the mean of its divisors is an integer number (1830370).

Almost surely, 2^3660739 is an apocalyptic number.

3660739 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660739 is an equidigital number, since it uses as much as digits as its factorization.

3660739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 34.

The square root of 3660739 is about 1913.3057779665. The cubic root of 3660739 is about 154.1190258768.

The spelling of 3660739 in words is "three million, six hundred sixty thousand, seven hundred thirty-nine".