720052566 has 16 divisors (see below), whose sum is σ = 1440820224. Its totient is φ = 239898344.

The previous prime is 720052517. The next prime is 720052589. The reversal of 720052566 is 665250027.

720052566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16230 + ... + 41273.

It is an arithmetic number, because the mean of its divisors is an integer number (90051264).

Almost surely, 2^720052566 is an apocalyptic number.

720052566 is an abundant number, since it is smaller than the sum of its proper divisors (720767658).

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

720052566 is a wasteful number, since it uses less digits than its factorization.

720052566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59595.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 720052566 is about 26833.7952216976. The cubic root of 720052566 is about 896.3027607734.

The spelling of 720052566 in words is "seven hundred twenty million, fifty-two thousand, five hundred sixty-six".