720272896 has 80 divisors (see below), whose sum is σ = 1667866464. Its totient is φ = 304349184.

The previous prime is 720272887. The next prime is 720272951. The reversal of 720272896 is 698272027.

It is a happy number.

720272896 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, 260256 + ... + 263008.

Almost surely, 2^720272896 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 720272896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833933232).

720272896 is an abundant number, since it is smaller than the sum of its proper divisors (947593568).

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

720272896 is an equidigital number, since it uses as much as digits as its factorization.

720272896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851 (or 2835 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 720272896 is about 26837.9003649689. The cubic root of 720272896 is about 896.3941718071.

The spelling of 720272896 in words is "seven hundred twenty million, two hundred seventy-two thousand, eight hundred ninety-six".