723548 has 12 divisors (see below), whose sum is σ = 1447152. Its totient is φ = 310080.

The previous prime is 723529. The next prime is 723551. The reversal of 723548 is 845327.

It is a happy number.

723548 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 723548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12893 + ... + 12948.

It is an arithmetic number, because the mean of its divisors is an integer number (120596).

2⁷²³⁵⁴⁸ is an apocalyptic number.

It is an amenable number.

723548 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

723548 is a wasteful number, since it uses less digits than its factorization.

723548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25852 (or 25850 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 723548 is about 850.6162471996. The cubic root of 723548 is about 89.7750762093.

It can be divided in two parts, 7 and 23548, that multiplied together give a square (164836 = 406²).

The spelling of 723548 in words is "seven hundred twenty-three thousand, five hundred forty-eight".