6728750226 has 72 divisors (see below), whose sum is σ = 16296724080. Its totient is φ = 2004417360.

The previous prime is 6728750207. The next prime is 6728750233. The reversal of 6728750226 is 6220578276.

6728750226 is a `hidden beast` number, since 67 + 2 + 87 + 502 + 2 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 102321 + ... + 154683.

It is an arithmetic number, because the mean of its divisors is an integer number (226343390).

Almost surely, 2^6728750226 is an apocalyptic number.

6728750226 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6728750226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8148362040).

6728750226 is an abundant number, since it is smaller than the sum of its proper divisors (9567973854).

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

6728750226 is a wasteful number, since it uses less digits than its factorization.

6728750226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52452 (or 52438 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 6728750226 is about 82028.9596788841. The cubic root of 6728750226 is about 1887.8963021259.

The spelling of 6728750226 in words is "six billion, seven hundred twenty-eight million, seven hundred fifty thousand, two hundred twenty-six".