3747710665 has 4 divisors (see below), whose sum is σ = 4497252804. Its totient is φ = 2998168528.

The previous prime is 3747710609. The next prime is 3747710669. The reversal of 3747710665 is 5660177473.

3747710665 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: 5660177473 = 619 ⋅9144067.

It can be written as a sum of positive squares in 2 ways, for example, as 2150269641 + 1597441024 = 46371^2 + 39968^2 .

It is a cyclic number.

It is not a de Polignac number, because 3747710665 - 2¹³ = 3747702473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3747710669) 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 3 ways as a sum of consecutive naturals, for example, 374771062 + ... + 374771071.

It is an arithmetic number, because the mean of its divisors is an integer number (1124313201).

Almost surely, 2^3747710665 is an apocalyptic number.

It is an amenable number.

3747710665 is a deficient number, since it is larger than the sum of its proper divisors (749542139).

3747710665 is an equidigital number, since it uses as much as digits as its factorization.

3747710665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749542138.

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 3747710665 is about 61218.5483738385. The cubic root of 3747710665 is about 1553.3000332351.

The spelling of 3747710665 in words is "three billion, seven hundred forty-seven million, seven hundred ten thousand, six hundred sixty-five".