738312728 has 16 divisors (see below), whose sum is σ = 1394443080. Its totient is φ = 366461248.

The previous prime is 738312721. The next prime is 738312739. The reversal of 738312728 is 827213837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738312721) 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, 335726 + ... + 337917.

Almost surely, 2^738312728 is an apocalyptic number.

It is an amenable number.

738312728 is a deficient number, since it is larger than the sum of its proper divisors (656130352).

738312728 is a wasteful number, since it uses less digits than its factorization.

738312728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673786 (or 673782 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 738312728 is about 27171.9106431624. The cubic root of 738312728 is about 903.8161939978.

The spelling of 738312728 in words is "seven hundred thirty-eight million, three hundred twelve thousand, seven hundred twenty-eight".