724143 has 8 divisors (see below), whose sum is σ = 1103488. Its totient is φ = 413784.

The previous prime is 724123. The next prime is 724153. The reversal of 724143 is 341427.

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

It is not a de Polignac number, because 724143 - 2⁵ = 724111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 34483 = 724143 / (7 + 2 + 4 + 1 + 4 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17221 + ... + 17262.

It is an arithmetic number, because the mean of its divisors is an integer number (137936).

2⁷²⁴¹⁴³ is an apocalyptic number.

724143 is a deficient number, since it is larger than the sum of its proper divisors (379345).

724143 is a wasteful number, since it uses less digits than its factorization.

724143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34493.

The product of its digits is 672, while the sum is 21.

The square root of 724143 is about 850.9659217619. The cubic root of 724143 is about 89.7996779105.

The spelling of 724143 in words is "seven hundred twenty-four thousand, one hundred forty-three", and thus it is an iban number.