726592 has 14 divisors (see below), whose sum is σ = 1441958. Its totient is φ = 363264.

The previous prime is 726589. The next prime is 726599. The reversal of 726592 is 295627.

It can be written as a sum of positive squares in only one way, i.e., 553536 + 173056 = 744^2 + 416^2 .

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (726599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5613 + ... + 5740.

It is an arithmetic number, because the mean of its divisors is an integer number (102997).

2⁷²⁶⁵⁹² is an apocalyptic number.

It is an amenable number.

726592 is a deficient number, since it is larger than the sum of its proper divisors (715366).

726592 is a wasteful number, since it uses less digits than its factorization.

726592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11365 (or 11355 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 726592 is about 852.4036602455. The cubic root of 726592 is about 89.9007960408.

The spelling of 726592 in words is "seven hundred twenty-six thousand, five hundred ninety-two".