7200199800 has 144 divisors (see below), whose sum is σ = 24239386080. Its totient is φ = 1915392000.

The previous prime is 7200199793. The next prime is 7200199817. The reversal of 7200199800 is 89910027.

It is a happy number.

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

7200199800 is a modest number, since divided by 199800 gives 7200 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 771160 + ... + 780440.

It is an arithmetic number, because the mean of its divisors is an integer number (168329070).

Almost surely, 2^7200199800 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 7200199800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12119693040).

7200199800 is an abundant number, since it is smaller than the sum of its proper divisors (17039186280).

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

7200199800 is a wasteful number, since it uses less digits than its factorization.

7200199800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9734 (or 9722 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 7200199800 is about 84853.9910670087. The cubic root of 7200199800 is about 1930.9966305997.

The spelling of 7200199800 in words is "seven billion, two hundred million, one hundred ninety-nine thousand, eight hundred".