3725530 has 16 divisors (see below), whose sum is σ = 6887880. Its totient is φ = 1449792.

The previous prime is 3725521. The next prime is 3725551. The reversal of 3725530 is 355273.

It can be written as a sum of positive squares in 4 ways, for example, as 3250809 + 474721 = 1803^2 + 689^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3725495 and 3725504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4665 + ... + 5404.

Almost surely, 2^3725530 is an apocalyptic number.

3725530 is a deficient number, since it is larger than the sum of its proper divisors (3162350).

3725530 is a wasteful number, since it uses less digits than its factorization.

3725530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113.

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 3725530 is about 1930.1632055347. The cubic root of 3725530 is about 155.0229587913.

The spelling of 3725530 in words is "three million, seven hundred twenty-five thousand, five hundred thirty".