561772014 has 8 divisors (see below), whose sum is σ = 1123544040. Its totient is φ = 187257336.

The previous prime is 561772009. The next prime is 561772039. The reversal of 561772014 is 410277165.

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

561772014 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46814329 + ... + 46814340.

It is an arithmetic number, because the mean of its divisors is an integer number (140443005).

Almost surely, 2^561772014 is an apocalyptic number.

561772014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

561772014 is a wasteful number, since it uses less digits than its factorization.

561772014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93628674.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 561772014 is about 23701.7301900093. The cubic root of 561772014 is about 825.1255463666.

The spelling of 561772014 in words is "five hundred sixty-one million, seven hundred seventy-two thousand, fourteen".