724471 has 8 divisors (see below), whose sum is σ = 802944. Its totient is φ = 648120.

The previous prime is 724469. The next prime is 724481. The reversal of 724471 is 174427.

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

It is not a de Polignac number, because 724471 - 2¹ = 724469 is a prime.

It is a super-3 number, since 3×724471³ = 1140733699893417333, which contains 333 as substring.

It is a Duffinian number.

724471 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (100368).

2⁷²⁴⁴⁷¹ is an apocalyptic number.

724471 is a deficient number, since it is larger than the sum of its proper divisors (78473).

724471 is a wasteful number, since it uses less digits than its factorization.

724471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061.

The product of its digits is 1568, while the sum is 25.

The square root of 724471 is about 851.1586221146. The cubic root of 724471 is about 89.8132340950.

Adding to 724471 its reverse (174427), we get a palindrome (898898).

The spelling of 724471 in words is "seven hundred twenty-four thousand, four hundred seventy-one", and thus it is an iban number.