726768216 has 96 divisors (see below), whose sum is σ = 2039731200. Its totient is φ = 233530560.

The previous prime is 726768209. The next prime is 726768227. The reversal of 726768216 is 612867627.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 800835 + ... + 801741.

It is an arithmetic number, because the mean of its divisors is an integer number (21247200).

Almost surely, 2^726768216 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 726768216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1019865600).

726768216 is an abundant number, since it is smaller than the sum of its proper divisors (1312962984).

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

726768216 is a wasteful number, since it uses less digits than its factorization.

726768216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309 (or 1302 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 726768216 is about 26958.6389864177. The cubic root of 726768216 is about 899.0806315364.

The spelling of 726768216 in words is "seven hundred twenty-six million, seven hundred sixty-eight thousand, two hundred sixteen".