720750108 has 96 divisors (see below), whose sum is σ = 1883246400. Its totient is φ = 213018624.

The previous prime is 720750091. The next prime is 720750109. The reversal of 720750108 is 801057027.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720750109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1415758 + ... + 1416266.

It is an arithmetic number, because the mean of its divisors is an integer number (19617150).

Almost surely, 2^720750108 is an apocalyptic number.

720750108 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720750108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941623200).

720750108 is an abundant number, since it is smaller than the sum of its proper divisors (1162496292).

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

720750108 is a wasteful number, since it uses less digits than its factorization.

720750108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 720750108 is about 26846.7895287314. The cubic root of 720750108 is about 896.5920947613.

The spelling of 720750108 in words is "seven hundred twenty million, seven hundred fifty thousand, one hundred eight".