726304 has 12 divisors (see below), whose sum is σ = 1429974. Its totient is φ = 363136.

The previous prime is 726301. The next prime is 726307. The reversal of 726304 is 403627.

It is an interprime number because it is at equal distance from previous prime (726301) and next prime (726307).

It can be written as a sum of positive squares in only one way, i.e., 725904 + 400 = 852^2 + 20^2 .

It is not an unprimeable number, because it can be changed into a prime (726301) 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, 11317 + ... + 11380.

2⁷²⁶³⁰⁴ is an apocalyptic number.

It is an amenable number.

726304 is a deficient number, since it is larger than the sum of its proper divisors (703670).

726304 is a wasteful number, since it uses less digits than its factorization.

726304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22707 (or 22699 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 726304 is about 852.2347094551. The cubic root of 726304 is about 89.8889164482. Note that the first 3 decimals are identical.

The spelling of 726304 in words is "seven hundred twenty-six thousand, three hundred four".