724967492 has 12 divisors (see below), whose sum is σ = 1302982380. Its totient is φ = 352686816.

The previous prime is 724967449. The next prime is 724967501. The reversal of 724967492 is 294769427.

It can be written as a sum of positive squares in 2 ways, for example, as 363054916 + 361912576 = 19054^2 + 19024^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 724967492.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2449067 + ... + 2449362.

It is an arithmetic number, because the mean of its divisors is an integer number (108581865).

Almost surely, 2^724967492 is an apocalyptic number.

It is an amenable number.

724967492 is a deficient number, since it is larger than the sum of its proper divisors (578014888).

724967492 is a wasteful number, since it uses less digits than its factorization.

724967492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4898470 (or 4898468 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 50.

The square root of 724967492 is about 26925.2203705002. The cubic root of 724967492 is about 898.3374624326.

The spelling of 724967492 in words is "seven hundred twenty-four million, nine hundred sixty-seven thousand, four hundred ninety-two".