724806 has 24 divisors (see below), whose sum is σ = 1596504. Its totient is φ = 237600.

The previous prime is 724783. The next prime is 724807. The reversal of 724806 is 608427.

724806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 724806.

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 724806.

It is not an unprimeable number, because it can be changed into a prime (724807) by changing a digit.

724806 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 11 ways as a sum of consecutive naturals, for example, 906 + ... + 1506.

It is an arithmetic number, because the mean of its divisors is an integer number (66521).

2⁷²⁴⁸⁰⁶ is an apocalyptic number.

724806 is an abundant number, since it is smaller than the sum of its proper divisors (871698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

724806 is a wasteful number, since it uses less digits than its factorization.

724806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 724806 is about 851.3553899518. The cubic root of 724806 is about 89.8270753654.

The spelling of 724806 in words is "seven hundred twenty-four thousand, eight hundred six".