733733728 has 48 divisors (see below), whose sum is σ = 1777900320. Its totient is φ = 290267136.

The previous prime is 733733723. The next prime is 733733771. The reversal of 733733728 is 827337337.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (733733723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123073 + ... + 128896.

It is an arithmetic number, because the mean of its divisors is an integer number (37039590).

Almost surely, 2^733733728 is an apocalyptic number.

It is an amenable number.

733733728 is an abundant number, since it is smaller than the sum of its proper divisors (1044166592).

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

733733728 is a wasteful number, since it uses less digits than its factorization.

733733728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251999 (or 251991 counting only the distinct ones).

The product of its digits is 444528, while the sum is 43.

The square root of 733733728 is about 27087.5197831031. The cubic root of 733733728 is about 901.9438348648.

The spelling of 733733728 in words is "seven hundred thirty-three million, seven hundred thirty-three thousand, seven hundred twenty-eight".