724142 has 8 divisors (see below), whose sum is σ = 1112832. Its totient is φ = 353200.

The previous prime is 724123. The next prime is 724153. The reversal of 724142 is 241427.

724142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 724142.

It is an unprimeable number.

724142 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 3 ways as a sum of consecutive naturals, for example, 4334 + ... + 4497.

It is an arithmetic number, because the mean of its divisors is an integer number (139104).

2⁷²⁴¹⁴² is an apocalyptic number.

724142 is a deficient number, since it is larger than the sum of its proper divisors (388690).

724142 is a wasteful number, since it uses less digits than its factorization.

724142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8874.

The product of its digits is 448, while the sum is 20.

The square root of 724142 is about 850.9653341941. The cubic root of 724142 is about 89.7996365744.

Adding to 724142 its reverse (241427), we get a palindrome (965569).

The spelling of 724142 in words is "seven hundred twenty-four thousand, one hundred forty-two", and thus it is an iban number.