724671 has 12 divisors (see below), whose sum is σ = 1062048. Its totient is φ = 476064.

The previous prime is 724651. The next prime is 724721. The reversal of 724671 is 176427.

It is not a de Polignac number, because 724671 - 2⁵ = 724639 is a prime.

724671 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724601) 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 11 ways as a sum of consecutive naturals, for example, 106 + ... + 1208.

It is an arithmetic number, because the mean of its divisors is an integer number (88504).

2⁷²⁴⁶⁷¹ is an apocalyptic number.

724671 is a deficient number, since it is larger than the sum of its proper divisors (337377).

724671 is a wasteful number, since it uses less digits than its factorization.

724671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1179 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 724671 is about 851.2761009214. The cubic root of 724671 is about 89.8214980532.

The spelling of 724671 in words is "seven hundred twenty-four thousand, six hundred seventy-one".