561627970 has 8 divisors (see below), whose sum is σ = 1010930364. Its totient is φ = 224651184.

The previous prime is 561627959. The next prime is 561627991. The reversal of 561627970 is 79726165.

It can be written as a sum of positive squares in 2 ways, for example, as 519520849 + 42107121 = 22793^2 + 6489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 28081389 + ... + 28081408.

Almost surely, 2^561627970 is an apocalyptic number.

561627970 is a deficient number, since it is larger than the sum of its proper divisors (449302394).

561627970 is a wasteful number, since it uses less digits than its factorization.

561627970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56162804.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 561627970 is about 23698.6913140789. The cubic root of 561627970 is about 825.0550168391.

The spelling of 561627970 in words is "five hundred sixty-one million, six hundred twenty-seven thousand, nine hundred seventy".