7206312100 has 81 divisors (see below), whose sum is σ = 16959098793. Its totient is φ = 2656717440.

The previous prime is 7206312037. The next prime is 7206312101. The reversal of 7206312100 is 12136027.

The square root of 7206312100 is 84890.

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

It can be written as a sum of positive squares in 13 ways, for example, as 7200201316 + 6110784 = 84854^2 + 2472^2 .

It is not an unprimeable number, because it can be changed into a prime (7206312101) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11035374 + ... + 11036026.

Almost surely, 2^7206312100 is an apocalyptic number.

7206312100 is the 84890-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7206312100

7206312100 is an abundant number, since it is smaller than the sum of its proper divisors (9752786693).

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

7206312100 is a wasteful number, since it uses less digits than its factorization.

7206312100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The cubic root of 7206312100 is about 1931.5428882394.

Adding to 7206312100 its reverse (12136027), we get a palindrome (7218448127).

The spelling of 7206312100 in words is "seven billion, two hundred six million, three hundred twelve thousand, one hundred".