560870721 has 12 divisors (see below), whose sum is σ = 811341648. Its totient is φ = 373362264.

The previous prime is 560870719. The next prime is 560870743. The reversal of 560870721 is 127078065.

560870721 is a `hidden beast` number, since 560 + 8 + 70 + 7 + 21 = 666.

It is not a de Polignac number, because 560870721 - 2¹ = 560870719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (560870711) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 39475 + ... + 51768.

It is an arithmetic number, because the mean of its divisors is an integer number (67611804).

Almost surely, 2^560870721 is an apocalyptic number.

It is an amenable number.

560870721 is a deficient number, since it is larger than the sum of its proper divisors (250470927).

560870721 is a wasteful number, since it uses less digits than its factorization.

560870721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91932 (or 91929 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 560870721 is about 23682.7093255818. The cubic root of 560870721 is about 824.6840398900.

The spelling of 560870721 in words is "five hundred sixty million, eight hundred seventy thousand, seven hundred twenty-one".