720522606 has 16 divisors (see below), whose sum is σ = 1464669648. Its totient is φ = 236236800.

The previous prime is 720522601. The next prime is 720522613. The reversal of 720522606 is 606225027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720522601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 983955 + ... + 984686.

It is an arithmetic number, because the mean of its divisors is an integer number (91541853).

Almost surely, 2^720522606 is an apocalyptic number.

720522606 is an abundant number, since it is smaller than the sum of its proper divisors (744147042).

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

720522606 is a wasteful number, since it uses less digits than its factorization.

720522606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968707.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 720522606 is about 26842.5521513883. The cubic root of 720522606 is about 896.4977495517.

The spelling of 720522606 in words is "seven hundred twenty million, five hundred twenty-two thousand, six hundred six".