723199040 has 112 divisors (see below), whose sum is σ = 1873221552. Its totient is φ = 264830976.

The previous prime is 723199019. The next prime is 723199063. The reversal of 723199040 is 40991327.

It can be written as a sum of positive squares in 8 ways, for example, as 31719424 + 691479616 = 5632^2 + 26296^2 .

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 15 ways as a sum of consecutive naturals, for example, 199484 + ... + 203076.

Almost surely, 2^723199040 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 723199040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (936610776).

723199040 is an abundant number, since it is smaller than the sum of its proper divisors (1150022512).

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

723199040 is a wasteful number, since it uses less digits than its factorization.

723199040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3654 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 723199040 is about 26892.3602534251. The cubic root of 723199040 is about 897.6064134654.

The spelling of 723199040 in words is "seven hundred twenty-three million, one hundred ninety-nine thousand, forty".