3745765 has 4 divisors (see below), whose sum is σ = 4494924. Its totient is φ = 2996608.

The previous prime is 3745739. The next prime is 3745771. The reversal of 3745765 is 5675473.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1898884 + 1846881 = 1378^2 + 1359^2 .

It is a cyclic number.

It is not a de Polignac number, because 3745765 - 2¹¹ = 3743717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 374572 + ... + 374581.

It is an arithmetic number, because the mean of its divisors is an integer number (1123731).

Almost surely, 2^3745765 is an apocalyptic number.

It is an amenable number.

3745765 is a deficient number, since it is larger than the sum of its proper divisors (749159).

3745765 is an equidigital number, since it uses as much as digits as its factorization.

3745765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749158.

The product of its digits is 88200, while the sum is 37.

The square root of 3745765 is about 1935.3978919075. The cubic root of 3745765 is about 155.3031182468.

The spelling of 3745765 in words is "three million, seven hundred forty-five thousand, seven hundred sixty-five".