720234816 has 112 divisors (see below), whose sum is σ = 2185781760. Its totient is φ = 205032960.

The previous prime is 720234793. The next prime is 720234829. The reversal of 720234816 is 618432027.

720234816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444055 + ... + 445673.

Almost surely, 2^720234816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720234816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1092890880).

720234816 is an abundant number, since it is smaller than the sum of its proper divisors (1465546944).

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

720234816 is a wasteful number, since it uses less digits than its factorization.

720234816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 720234816 is about 26837.1909111218. The cubic root of 720234816 is about 896.3783744189.

The spelling of 720234816 in words is "seven hundred twenty million, two hundred thirty-four thousand, eight hundred sixteen".