3075728 has 10 divisors (see below), whose sum is σ = 5959254. Its totient is φ = 1537856.

The previous prime is 3075713. The next prime is 3075797. The reversal of 3075728 is 8275703.

It can be written as a sum of positive squares in only one way, i.e., 1926544 + 1149184 = 1388^2 + 1072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3075694 and 3075703.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96101 + ... + 96132.

Almost surely, 2^3075728 is an apocalyptic number.

It is an amenable number.

3075728 is a deficient number, since it is larger than the sum of its proper divisors (2883526).

3075728 is a wasteful number, since it uses less digits than its factorization.

3075728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192241 (or 192235 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 3075728 is about 1753.7753561959. The cubic root of 3075728 is about 145.4284276970.

The spelling of 3075728 in words is "three million, seventy-five thousand, seven hundred twenty-eight".