724611 has 4 divisors (see below), whose sum is σ = 966152. Its totient is φ = 483072.

The previous prime is 724609. The next prime is 724621. The reversal of 724611 is 116427.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 724611 - 2¹ = 724609 is a prime.

It is a super-3 number, since 3×724611³ = 1141395149067933393, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 724611.

It is not an unprimeable number, because it can be changed into a prime (724601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120766 + ... + 120771.

It is an arithmetic number, because the mean of its divisors is an integer number (241538).

2⁷²⁴⁶¹¹ is an apocalyptic number.

724611 is a deficient number, since it is larger than the sum of its proper divisors (241541).

724611 is a wasteful number, since it uses less digits than its factorization.

724611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241540.

The product of its digits is 336, while the sum is 21.

The square root of 724611 is about 851.2408589818. The cubic root of 724611 is about 89.8190190254.

The spelling of 724611 in words is "seven hundred twenty-four thousand, six hundred eleven".