7196128900 has 81 divisors (see below), whose sum is σ = 16621507119. Its totient is φ = 2703701760.

The previous prime is 7196128873. The next prime is 7196128939. The reversal of 7196128900 is 98216917.

The square root of 7196128900 is 84830.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 168324676 + 7027804224 = 12974^2 + 83832^2 .

It is a super-2 number, since 2×7196128900² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 14420851 + ... + 14421349.

Almost surely, 2^7196128900 is an apocalyptic number.

7196128900 is the 84830-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7196128900

7196128900 is an abundant number, since it is smaller than the sum of its proper divisors (9425378219).

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

7196128900 is a wasteful number, since it uses less digits than its factorization.

7196128900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The cubic root of 7196128900 is about 1930.6326418054.

The spelling of 7196128900 in words is "seven billion, one hundred ninety-six million, one hundred twenty-eight thousand, nine hundred".