720548208 has 60 divisors (see below), whose sum is σ = 2031980808. Its totient is φ = 238343040.

The previous prime is 720548207. The next prime is 720548219. The reversal of 720548208 is 802845027.

It is a happy number.

720548208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×720548208² = 1038379440104022528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720548207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235 + ... + 37962.

Almost surely, 2^720548208 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 720548208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015990404).

720548208 is an abundant number, since it is smaller than the sum of its proper divisors (1311432600).

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

720548208 is a wasteful number, since it uses less digits than its factorization.

720548208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38342 (or 38333 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 720548208 is about 26843.0290392124. The cubic root of 720548208 is about 896.5083677073.

The spelling of 720548208 in words is "seven hundred twenty million, five hundred forty-eight thousand, two hundred eight".