3056729 has 8 divisors (see below), whose sum is σ = 3337992. Its totient is φ = 2782080.

The previous prime is 3056717. The next prime is 3056759. The reversal of 3056729 is 9276503.

3056729 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 4 ways, for example, as 409600 + 2647129 = 640^2 + 1627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3056729 - 2¹² = 3052633 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3056695 and 3056704.

It is not an unprimeable number, because it can be changed into a prime (3056759) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 662 + ... + 2559.

It is an arithmetic number, because the mean of its divisors is an integer number (417249).

Almost surely, 2^3056729 is an apocalyptic number.

It is an amenable number.

3056729 is a deficient number, since it is larger than the sum of its proper divisors (281263).

3056729 is a wasteful number, since it uses less digits than its factorization.

3056729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 3056729 is about 1748.3503653444. The cubic root of 3056729 is about 145.1283682881.

The spelling of 3056729 in words is "three million, fifty-six thousand, seven hundred twenty-nine".