732704320 has 56 divisors (see below), whose sum is σ = 1748844864. Its totient is φ = 292394496.

The previous prime is 732704311. The next prime is 732704321. The reversal of 732704320 is 23407237.

It is not an unprimeable number, because it can be changed into a prime (732704321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146989 + ... + 151891.

Almost surely, 2^732704320 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 732704320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874422432).

732704320 is an abundant number, since it is smaller than the sum of its proper divisors (1016140544).

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

732704320 is a wasteful number, since it uses less digits than its factorization.

732704320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5387 (or 5377 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 732704320 is about 27068.5115955791. The cubic root of 732704320 is about 901.5218367532.

The spelling of 732704320 in words is "seven hundred thirty-two million, seven hundred four thousand, three hundred twenty".