3660380747 has 4 divisors (see below), whose sum is σ = 3819527760. Its totient is φ = 3501233736.

The previous prime is 3660380729. The next prime is 3660380749. The reversal of 3660380747 is 7470830663.

3660380747 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7470830663 = 3821 ⋅1955203.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3660380747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3660380698 and 3660380707.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79573472 + ... + 79573517.

It is an arithmetic number, because the mean of its divisors is an integer number (954881940).

Almost surely, 2^3660380747 is an apocalyptic number.

3660380747 is a deficient number, since it is larger than the sum of its proper divisors (159147013).

3660380747 is a wasteful number, since it uses less digits than its factorization.

3660380747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159147012.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 3660380747 is about 60501.0805440696. The cubic root of 3660380747 is about 1541.1399816663.

The spelling of 3660380747 in words is "three billion, six hundred sixty million, three hundred eighty thousand, seven hundred forty-seven".