724794084 has 81 divisors (see below), whose sum is σ = 2134569801. Its totient is φ = 206760960.

The previous prime is 724794011. The next prime is 724794089. The reversal of 724794084 is 480497427.

The square root of 724794084 is 26922.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 654234084 + 70560000 = 25578^2 + 8400^2 .

It is not an unprimeable number, because it can be changed into a prime (724794089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1130404 + ... + 1131044.

Almost surely, 2^724794084 is an apocalyptic number.

724794084 is the 26922-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 724794084

724794084 is an abundant number, since it is smaller than the sum of its proper divisors (1409775717).

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

724794084 is a wasteful number, since it uses less digits than its factorization.

724794084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The cubic root of 724794084 is about 898.2658310254.

Multiplying 724794084 by its product of nonzero digits (451584), we get a square (327305411629056 = 18091584²).

It can be divided in two parts, 72 and 4794084, that added together give a triangular number (4794156 = T₃₀₉₆).

The spelling of 724794084 in words is "seven hundred twenty-four million, seven hundred ninety-four thousand, eighty-four".