724693 has 8 divisors (see below), whose sum is σ = 784512. Its totient is φ = 666816.

The previous prime is 724651. The next prime is 724721. The reversal of 724693 is 396427.

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

It is a cyclic number.

It is not a de Polignac number, because 724693 - 2¹³ = 716501 is a prime.

It is a d-powerful number, because it can be written as 7⁶ + 2¹¹ + 6⁵ + 4⁸ + 9⁶ + 3⁵ .

It is a Duffinian number.

724693 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346 + ... + 1252.

It is an arithmetic number, because the mean of its divisors is an integer number (98064).

2⁷²⁴⁶⁹³ is an apocalyptic number.

It is an amenable number.

724693 is a deficient number, since it is larger than the sum of its proper divisors (59819).

724693 is a wasteful number, since it uses less digits than its factorization.

724693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971.

The product of its digits is 9072, while the sum is 31.

The square root of 724693 is about 851.2890226004. The cubic root of 724693 is about 89.8224069958.

The spelling of 724693 in words is "seven hundred twenty-four thousand, six hundred ninety-three".