3561572705 has 32 divisors (see below), whose sum is σ = 4599504000. Its totient is φ = 2639250432.

The previous prime is 3561572699. The next prime is 3561572741. The reversal of 3561572705 is 5072751653.

3561572705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3561572705 - 2⁴ = 3561572689 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1695746 + ... + 1697844.

It is an arithmetic number, because the mean of its divisors is an integer number (143734500).

Almost surely, 2^3561572705 is an apocalyptic number.

It is an amenable number.

3561572705 is a deficient number, since it is larger than the sum of its proper divisors (1037931295).

3561572705 is a wasteful number, since it uses less digits than its factorization.

3561572705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513.

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 3561572705 is about 59678.9134033119. The cubic root of 3561572705 is about 1527.1461610866.

The spelling of 3561572705 in words is "three billion, five hundred sixty-one million, five hundred seventy-two thousand, seven hundred five".