723375 has 24 divisors (see below), whose sum is σ = 1306032. Its totient is φ = 385200.

The previous prime is 723361. The next prime is 723379. The reversal of 723375 is 573327.

It is not a de Polignac number, because 723375 - 2⁸ = 723119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 804 + ... + 1446.

It is an arithmetic number, because the mean of its divisors is an integer number (54418).

2⁷²³³⁷⁵ is an apocalyptic number.

723375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

723375 is a deficient number, since it is larger than the sum of its proper divisors (582657).

723375 is a wasteful number, since it uses less digits than its factorization.

723375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 651 counting only the distinct ones).

The product of its digits is 4410, while the sum is 27.

The square root of 723375 is about 850.5145501401. The cubic root of 723375 is about 89.7679205789.

The spelling of 723375 in words is "seven hundred twenty-three thousand, three hundred seventy-five".