726930 has 48 divisors (see below), whose sum is σ = 1945944. Its totient is φ = 188160.

The previous prime is 726923. The next prime is 726941. The reversal of 726930 is 39627.

726930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 603729 + 123201 = 777^2 + 351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 726894 and 726903.

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, 3592 + ... + 3788.

2⁷²⁶⁹³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972972).

726930 is an abundant number, since it is smaller than the sum of its proper divisors (1219014).

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

726930 is a wasteful number, since it uses less digits than its factorization.

726930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 726930 is about 852.6019000683. The cubic root of 726930 is about 89.9147340594.

The spelling of 726930 in words is "seven hundred twenty-six thousand, nine hundred thirty".