724488 has 16 divisors (see below), whose sum is σ = 1811280. Its totient is φ = 241488.

The previous prime is 724487. The next prime is 724499. The reversal of 724488 is 884427.

It is not an unprimeable number, because it can be changed into a prime (724481) 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, 15070 + ... + 15117.

It is an arithmetic number, because the mean of its divisors is an integer number (113205).

2⁷²⁴⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

724488 is an abundant number, since it is smaller than the sum of its proper divisors (1086792).

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

724488 is a wasteful number, since it uses less digits than its factorization.

724488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30196 (or 30192 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 724488 is about 851.1686084437. The cubic root of 724488 is about 89.8139365906.

It can be divided in two parts, 72 and 4488, that added together give a triangular number (4560 = T₉₅).

The spelling of 724488 in words is "seven hundred twenty-four thousand, four hundred eighty-eight".