732425728 has 40 divisors (see below), whose sum is σ = 1466515512. Its totient is φ = 365438976.

The previous prime is 732425663. The next prime is 732425783. The reversal of 732425728 is 827524237.

732425728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299326 + ... + 301762.

Almost surely, 2^732425728 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 732425728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733257756).

732425728 is an abundant number, since it is smaller than the sum of its proper divisors (734089784).

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

732425728 is an equidigital number, since it uses as much as digits as its factorization.

732425728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042 (or 3026 counting only the distinct ones).

The product of its digits is 188160, while the sum is 40.

The square root of 732425728 is about 27063.3650531489. The cubic root of 732425728 is about 901.4075620936.

The spelling of 732425728 in words is "seven hundred thirty-two million, four hundred twenty-five thousand, seven hundred twenty-eight".