724248 has 64 divisors (see below), whose sum is σ = 2304000. Its totient is φ = 206496.

The previous prime is 724219. The next prime is 724259. The reversal of 724248 is 842427.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

724248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273 + ... + 1751.

It is an arithmetic number, because the mean of its divisors is an integer number (36000).

2⁷²⁴²⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152000).

724248 is an abundant number, since it is smaller than the sum of its proper divisors (1579752).

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

724248 is a wasteful number, since it uses less digits than its factorization.

724248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 491 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 724248 is about 851.0276141231. The cubic root of 724248 is about 89.8040179881.

The spelling of 724248 in words is "seven hundred twenty-four thousand, two hundred forty-eight".