720101600 has 72 divisors (see below), whose sum is σ = 1763824608. Its totient is φ = 287078400.

The previous prime is 720101587. The next prime is 720101611. The reversal of 720101600 is 6101027.

It is a happy number.

720101600 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-3 number, since 3×720101600³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268265 + ... + 270935.

It is an arithmetic number, because the mean of its divisors is an integer number (24497564).

Almost surely, 2^720101600 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 720101600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881912304).

720101600 is an abundant number, since it is smaller than the sum of its proper divisors (1043723008).

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

720101600 is a wasteful number, since it uses less digits than its factorization.

720101600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028 (or 3015 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 720101600 is about 26834.7088674351. The cubic root of 720101600 is about 896.3231057288.

Adding to 720101600 its reverse (6101027), we get a palindrome (726202627).

The spelling of 720101600 in words is "seven hundred twenty million, one hundred one thousand, six hundred".