561707430 has 32 divisors (see below), whose sum is σ = 1348722144. Its totient is φ = 149719296.

The previous prime is 561707423. The next prime is 561707441. The reversal of 561707430 is 34707165.

It is a junction number, because it is equal to n+sod(n) for n = 561707391 and 561707400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119892 + ... + 124488.

It is an arithmetic number, because the mean of its divisors is an integer number (42147567).

Almost surely, 2^561707430 is an apocalyptic number.

561707430 is an abundant number, since it is smaller than the sum of its proper divisors (787014714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561707430 is a wasteful number, since it uses less digits than its factorization.

561707430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 561707430 is about 23700.3677186663. The cubic root of 561707430 is about 825.0939250272.

The spelling of 561707430 in words is "five hundred sixty-one million, seven hundred seven thousand, four hundred thirty".