3607728 has 20 divisors (see below), whose sum is σ = 9320088. Its totient is φ = 1202560.

The previous prime is 3607727. The next prime is 3607729. The reversal of 3607728 is 8277063.

It is an interprime number because it is at equal distance from previous prime (3607727) and next prime (3607729).

It is not an unprimeable number, because it can be changed into a prime (3607727) 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, 37533 + ... + 37628.

Almost surely, 2^3607728 is an apocalyptic number.

It is an amenable number.

3607728 is an abundant number, since it is smaller than the sum of its proper divisors (5712360).

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

3607728 is a wasteful number, since it uses less digits than its factorization.

3607728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75172 (or 75166 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 3607728 is about 1899.4020111604. The cubic root of 3607728 is about 153.3714754934.

The spelling of 3607728 in words is "three million, six hundred seven thousand, seven hundred twenty-eight".