723552 has 24 divisors (see below), whose sum is σ = 1899576. Its totient is φ = 241152.

The previous prime is 723551. The next prime is 723553. The reversal of 723552 is 255327.

It is an interprime number because it is at equal distance from previous prime (723551) and next prime (723553).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723551) 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 in 3 ways as a sum of consecutive naturals, for example, 3673 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (79149).

2⁷²³⁵⁵² is an apocalyptic number.

It is an amenable number.

723552 is an abundant number, since it is smaller than the sum of its proper divisors (1176024).

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

723552 is a wasteful number, since it uses less digits than its factorization.

723552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550 (or 7542 counting only the distinct ones).

The product of its digits is 2100, while the sum is 24.

The square root of 723552 is about 850.6185984329. The cubic root of 723552 is about 89.7752416439.

Adding to 723552 its reverse (255327), we get a palindrome (978879).

It can be divided in two parts, 723 and 552, that added together give a triangular number (1275 = T₅₀).

The spelling of 723552 in words is "seven hundred twenty-three thousand, five hundred fifty-two".