3765530 has 16 divisors (see below), whose sum is σ = 6890184. Its totient is φ = 1481280.

The previous prime is 3765529. The next prime is 3765533. The reversal of 3765530 is 355673.

It can be written as a sum of positive squares in 4 ways, for example, as 734449 + 3031081 = 857^2 + 1741^2 .

It is an Ulam number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3765493 and 3765502.

It is not an unprimeable number, because it can be changed into a prime (3765533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2477 + ... + 3696.

Almost surely, 2^3765530 is an apocalyptic number.

3765530 is a deficient number, since it is larger than the sum of its proper divisors (3124654).

3765530 is a wasteful number, since it uses less digits than its factorization.

3765530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 3765530 is about 1940.4973589263. The cubic root of 3765530 is about 155.5757980082.

The spelling of 3765530 in words is "three million, seven hundred sixty-five thousand, five hundred thirty".