724994 has 8 divisors (see below), whose sum is σ = 1099980. Its totient is φ = 358336.

The previous prime is 724993. The next prime is 725009. The reversal of 724994 is 499427.

It can be written as a sum of positive squares in 2 ways, for example, as 619369 + 105625 = 787^2 + 325^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 724994.

It is not an unprimeable number, because it can be changed into a prime (724991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1859 + ... + 2214.

2⁷²⁴⁹⁹⁴ is an apocalyptic number.

724994 is a deficient number, since it is larger than the sum of its proper divisors (374986).

724994 is a wasteful number, since it uses less digits than its factorization.

724994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164.

The product of its digits is 18144, while the sum is 35.

The square root of 724994 is about 851.4657949677. The cubic root of 724994 is about 89.8348411355.

The spelling of 724994 in words is "seven hundred twenty-four thousand, nine hundred ninety-four".