724660352 has 64 divisors (see below), whose sum is σ = 1608427800. Its totient is φ = 322904064.

The previous prime is 724660351. The next prime is 724660393. The reversal of 724660352 is 253066427.

It can be written as a sum of positive squares in 4 ways, for example, as 453860416 + 270799936 = 21304^2 + 16456^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (724660351) 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, 40748 + ... + 55764.

Almost surely, 2^724660352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724660352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804213900).

724660352 is an abundant number, since it is smaller than the sum of its proper divisors (883767448).

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

724660352 is a wasteful number, since it uses less digits than its factorization.

724660352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15073 (or 15061 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 724660352 is about 26919.5161917892. The cubic root of 724660352 is about 898.2105811838.

The spelling of 724660352 in words is "seven hundred twenty-four million, six hundred sixty thousand, three hundred fifty-two".