732540320 has 24 divisors (see below), whose sum is σ = 1730626884. Its totient is φ = 293016064.

The previous prime is 732540313. The next prime is 732540329. The reversal of 732540320 is 23045237.

732540320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 611276176 + 121264144 = 24724^2 + 11012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 732540320.

It is not an unprimeable number, because it can be changed into a prime (732540329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2289029 + ... + 2289348.

Almost surely, 2^732540320 is an apocalyptic number.

It is an amenable number.

732540320 is an abundant number, since it is smaller than the sum of its proper divisors (998086564).

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

732540320 is a wasteful number, since it uses less digits than its factorization.

732540320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578392 (or 4578384 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 732540320 is about 27065.4820758840. The cubic root of 732540320 is about 901.4545696854.

Adding to 732540320 its reverse (23045237), we get a palindrome (755585557).

The spelling of 732540320 in words is "seven hundred thirty-two million, five hundred forty thousand, three hundred twenty".