724866 has 8 divisors (see below), whose sum is σ = 1449744. Its totient is φ = 241620.

The previous prime is 724853. The next prime is 724879. The reversal of 724866 is 668427.

It is an interprime number because it is at equal distance from previous prime (724853) and next prime (724879).

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

724866 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60400 + ... + 60411.

It is an arithmetic number, because the mean of its divisors is an integer number (181218).

2⁷²⁴⁸⁶⁶ is an apocalyptic number.

724866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

724866 is a wasteful number, since it uses less digits than its factorization.

724866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120816.

The product of its digits is 16128, while the sum is 33.

The square root of 724866 is about 851.3906271507. The cubic root of 724866 is about 89.8295539486.

The spelling of 724866 in words is "seven hundred twenty-four thousand, eight hundred sixty-six".