720085604 has 24 divisors (see below), whose sum is σ = 1453636800. Its totient is φ = 305722656.

The previous prime is 720085603. The next prime is 720085687. The reversal of 720085604 is 406580027.

720085604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (720085603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117179 + ... + 123170.

It is an arithmetic number, because the mean of its divisors is an integer number (60568200).

Almost surely, 2^720085604 is an apocalyptic number.

It is an amenable number.

720085604 is an abundant number, since it is smaller than the sum of its proper divisors (733551196).

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

720085604 is a wasteful number, since it uses less digits than its factorization.

720085604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240467 (or 240465 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 720085604 is about 26834.4108189466. The cubic root of 720085604 is about 896.3164688456.

The spelling of 720085604 in words is "seven hundred twenty million, eighty-five thousand, six hundred four".