561724876 has 6 divisors (see below), whose sum is σ = 983018540. Its totient is φ = 280862436.

The previous prime is 561724847. The next prime is 561724903. The reversal of 561724876 is 678427165.

It is a happy 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 as a sum of consecutive naturals, namely, 70215606 + ... + 70215613.

Almost surely, 2^561724876 is an apocalyptic number.

It is an amenable number.

561724876 is a deficient number, since it is larger than the sum of its proper divisors (421293664).

561724876 is a wasteful number, since it uses less digits than its factorization.

561724876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140431223 (or 140431221 counting only the distinct ones).

The product of its digits is 564480, while the sum is 46.

The square root of 561724876 is about 23700.7357691697. The cubic root of 561724876 is about 825.1024671014.

The spelling of 561724876 in words is "five hundred sixty-one million, seven hundred twenty-four thousand, eight hundred seventy-six".