3765761 has 2 divisors, whose sum is σ = 3765762. Its totient is φ = 3765760.

The previous prime is 3765757. The next prime is 3765779. The reversal of 3765761 is 1675673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3534400 + 231361 = 1880^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 3765761 - 2² = 3765757 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3765701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1882880 + 1882881.

It is an arithmetic number, because the mean of its divisors is an integer number (1882881).

Almost surely, 2^3765761 is an apocalyptic number.

It is an amenable number.

3765761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3765761 is an equidigital number, since it uses as much as digits as its factorization.

3765761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26460, while the sum is 35.

The square root of 3765761 is about 1940.5568788366. The cubic root of 3765761 is about 155.5789792580.

The spelling of 3765761 in words is "three million, seven hundred sixty-five thousand, seven hundred sixty-one".