3069728 has 12 divisors (see below), whose sum is σ = 6043590. Its totient is φ = 1534848.

The previous prime is 3069683. The next prime is 3069743. The reversal of 3069728 is 8279603.

3069728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2274064 + 795664 = 1508^2 + 892^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47933 + ... + 47996.

Almost surely, 2^3069728 is an apocalyptic number.

It is an amenable number.

3069728 is a deficient number, since it is larger than the sum of its proper divisors (2973862).

3069728 is an equidigital number, since it uses as much as digits as its factorization.

3069728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95939 (or 95931 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3069728 is about 1752.0639257744. The cubic root of 3069728 is about 145.3338009318. Note that the first 3 decimals are identical.

The spelling of 3069728 in words is "three million, sixty-nine thousand, seven hundred twenty-eight".