3712528 has 20 divisors (see below), whose sum is σ = 7616700. Its totient is φ = 1746944.

The previous prime is 3712523. The next prime is 3712531. The reversal of 3712528 is 8252173.

It can be written as a sum of positive squares in 2 ways, for example, as 1557504 + 2155024 = 1248^2 + 1468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3712496 and 3712505.

It is not an unprimeable number, because it can be changed into a prime (3712523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6553 + ... + 7096.

It is an arithmetic number, because the mean of its divisors is an integer number (380835).

Almost surely, 2^3712528 is an apocalyptic number.

It is an amenable number.

3712528 is an abundant number, since it is smaller than the sum of its proper divisors (3904172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3712528 is a wasteful number, since it uses less digits than its factorization.

3712528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13674 (or 13668 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 3712528 is about 1926.7921527762. The cubic root of 3712528 is about 154.8424065948.

The spelling of 3712528 in words is "three million, seven hundred twelve thousand, five hundred twenty-eight".