3768766745 has 4 divisors (see below), whose sum is σ = 4522520100. Its totient is φ = 3015013392.

The previous prime is 3768766741. The next prime is 3768766747. The reversal of 3768766745 is 5476678673.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5476678673 = 17 ⋅322157569.

It can be written as a sum of positive squares in 2 ways, for example, as 2693713801 + 1075052944 = 51901^2 + 32788^2 .

It is a cyclic number.

It is not a de Polignac number, because 3768766745 - 2² = 3768766741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3768766741) 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 in 3 ways as a sum of consecutive naturals, for example, 376876670 + ... + 376876679.

It is an arithmetic number, because the mean of its divisors is an integer number (1130630025).

Almost surely, 2^3768766745 is an apocalyptic number.

It is an amenable number.

3768766745 is a deficient number, since it is larger than the sum of its proper divisors (753753355).

3768766745 is an equidigital number, since it uses as much as digits as its factorization.

3768766745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753753354.

The product of its digits is 35562240, while the sum is 59.

The square root of 3768766745 is about 61390.2821707149. The cubic root of 3768766745 is about 1556.2036145376.

The spelling of 3768766745 in words is "three billion, seven hundred sixty-eight million, seven hundred sixty-six thousand, seven hundred forty-five".