3305072705 has 16 divisors (see below), whose sum is σ = 4554360000. Its totient is φ = 2277178560.

The previous prime is 3305072671. The next prime is 3305072711. The reversal of 3305072705 is 5072705033.

3305072705 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 3305072705 - 2¹² = 3305068609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580330 + ... + 1582419.

It is an arithmetic number, because the mean of its divisors is an integer number (284647500).

Almost surely, 2^3305072705 is an apocalyptic number.

It is an amenable number.

3305072705 is a deficient number, since it is larger than the sum of its proper divisors (1249287295).

3305072705 is a wasteful number, since it uses less digits than its factorization.

3305072705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162784.

The product of its (nonzero) digits is 22050, while the sum is 32.

The square root of 3305072705 is about 57489.7617406787. The cubic root of 3305072705 is about 1489.5680180985.

Adding to 3305072705 its reverse (5072705033), we get a palindrome (8377777738).

The spelling of 3305072705 in words is "three billion, three hundred five million, seventy-two thousand, seven hundred five".