3072705 has 16 divisors (see below), whose sum is σ = 4980480. Its totient is φ = 1617408.

The previous prime is 3072703. The next prime is 3072709. The reversal of 3072705 is 5072703.

3072705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3072705 - 2¹ = 3072703 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3072701) 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 15 ways as a sum of consecutive naturals, for example, 112 + ... + 2481.

It is an arithmetic number, because the mean of its divisors is an integer number (311280).

Almost surely, 2^3072705 is an apocalyptic number.

It is an amenable number.

3072705 is a deficient number, since it is larger than the sum of its proper divisors (1907775).

3072705 is a wasteful number, since it uses less digits than its factorization.

3072705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680.

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 3072705 is about 1752.9132893558. The cubic root of 3072705 is about 145.3807669755.

The spelling of 3072705 in words is "three million, seventy-two thousand, seven hundred five".