726912 has 48 divisors (see below), whose sum is σ = 2095080. Its totient is φ = 241920.

The previous prime is 726911. The next prime is 726917. The reversal of 726912 is 219627.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 837 + ... + 1467.

2⁷²⁶⁹¹² is an apocalyptic number.

726912 is a gapful number since it is divisible by the number (72) 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 726912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1047540).

726912 is an abundant number, since it is smaller than the sum of its proper divisors (1368168).

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

726912 is a wasteful number, since it uses less digits than its factorization.

726912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 636 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 726912 is about 852.5913440799. The cubic root of 726912 is about 89.9139919070.

The spelling of 726912 in words is "seven hundred twenty-six thousand, nine hundred twelve".