734068728 has 48 divisors (see below), whose sum is σ = 2015351520. Its totient is φ = 241335936.

The previous prime is 734068703. The next prime is 734068739. The reversal of 734068728 is 827860437.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64576 + ... + 75087.

It is an arithmetic number, because the mean of its divisors is an integer number (41986490).

Almost surely, 2^734068728 is an apocalyptic number.

It is an amenable number.

734068728 is an abundant number, since it is smaller than the sum of its proper divisors (1281282792).

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

734068728 is a wasteful number, since it uses less digits than its factorization.

734068728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139748 (or 139741 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 734068728 is about 27093.7027369830. The cubic root of 734068728 is about 902.0810804806.

The spelling of 734068728 in words is "seven hundred thirty-four million, sixty-eight thousand, seven hundred twenty-eight".