3660380745 has 32 divisors (see below), whose sum is σ = 6695682048. Its totient is φ = 1672713408.

The previous prime is 3660380729. The next prime is 3660380749. The reversal of 3660380745 is 5470830663.

It is not a de Polignac number, because 3660380745 - 2⁴ = 3660380729 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3660380697 and 3660380706.

It is not an unprimeable number, because it can be changed into a prime (3660380749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429112 + ... + 437558.

It is an arithmetic number, because the mean of its divisors is an integer number (209240064).

Almost surely, 2^3660380745 is an apocalyptic number.

3660380745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3660380745 is a deficient number, since it is larger than the sum of its proper divisors (3035301303).

3660380745 is a wasteful number, since it uses less digits than its factorization.

3660380745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12589.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 3660380745 is about 60501.0805275410. The cubic root of 3660380745 is about 1541.1399813856.

The spelling of 3660380745 in words is "three billion, six hundred sixty million, three hundred eighty thousand, seven hundred forty-five".