724496 has 10 divisors (see below), whose sum is σ = 1403742. Its totient is φ = 362240.

The previous prime is 724487. The next prime is 724499. The reversal of 724496 is 694427.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 25600 = 836^2 + 160^2 .

It is not an unprimeable number, because it can be changed into a prime (724499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22625 + ... + 22656.

2⁷²⁴⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

724496 is a deficient number, since it is larger than the sum of its proper divisors (679246).

724496 is a wasteful number, since it uses less digits than its factorization.

724496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45289 (or 45283 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 724496 is about 851.1733078522. The cubic root of 724496 is about 89.8142671730.

The spelling of 724496 in words is "seven hundred twenty-four thousand, four hundred ninety-six".