720566055 has 48 divisors (see below), whose sum is σ = 1369180800. Its totient is φ = 347659200.

The previous prime is 720566053. The next prime is 720566059. The reversal of 720566055 is 550665027.

It is not a de Polignac number, because 720566055 - 2¹ = 720566053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720566053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100996 + ... + 107894.

It is an arithmetic number, because the mean of its divisors is an integer number (28524600).

Almost surely, 2^720566055 is an apocalyptic number.

720566055 is a deficient number, since it is larger than the sum of its proper divisors (648614745).

720566055 is a wasteful number, since it uses less digits than its factorization.

720566055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7132 (or 7129 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 720566055 is about 26843.3614698309. The cubic root of 720566055 is about 896.5157694109.

The spelling of 720566055 in words is "seven hundred twenty million, five hundred sixty-six thousand, fifty-five".