723248 has 20 divisors (see below), whose sum is σ = 1484280. Its totient is φ = 340224.

The previous prime is 723227. The next prime is 723257. The reversal of 723248 is 842327.

It is an Ulam number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1058 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (74214).

2⁷²³²⁴⁸ is an apocalyptic number.

It is an amenable number.

723248 is an abundant number, since it is smaller than the sum of its proper divisors (761032).

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

723248 is a wasteful number, since it uses less digits than its factorization.

723248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684 (or 2678 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 723248 is about 850.4398861766. The cubic root of 723248 is about 89.7626668755.

The spelling of 723248 in words is "seven hundred twenty-three thousand, two hundred forty-eight".