561080704 has 16 divisors (see below), whose sum is σ = 1117778220. Its totient is φ = 280540288.

The previous prime is 561080677. The next prime is 561080717. The reversal of 561080704 is 407080165.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×561080704² = 629623112802271232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2191594 + ... + 2191849.

Almost surely, 2^561080704 is an apocalyptic number.

It is an amenable number.

561080704 is a deficient number, since it is larger than the sum of its proper divisors (556697516).

561080704 is an equidigital number, since it uses as much as digits as its factorization.

561080704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383457 (or 4383445 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 561080704 is about 23687.1421661626. The cubic root of 561080704 is about 824.7869441873.

The spelling of 561080704 in words is "five hundred sixty-one million, eighty thousand, seven hundred four".