726806808 has 432 divisors, whose sum is σ = 2636122320. Its totient is φ = 179891712.

The previous prime is 726806777. The next prime is 726806827. The reversal of 726806808 is 808608627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 13713310 + ... + 13713362.

It is an arithmetic number, because the mean of its divisors is an integer number (6102135).

Almost surely, 2^726806808 is an apocalyptic number.

726806808 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726806808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318061160).

726806808 is an abundant number, since it is smaller than the sum of its proper divisors (1909315512).

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

726806808 is a wasteful number, since it uses less digits than its factorization.

726806808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 726806808 is about 26959.3547400527. The cubic root of 726806808 is about 899.0965452325.

The spelling of 726806808 in words is "seven hundred twenty-six million, eight hundred six thousand, eight hundred eight".