728710755 has 8 divisors (see below), whose sum is σ = 1165937232. Its totient is φ = 388645728.

The previous prime is 728710739. The next prime is 728710777. The reversal of 728710755 is 557017827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 728710755 - 2⁴ = 728710739 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 24290344 + ... + 24290373.

It is an arithmetic number, because the mean of its divisors is an integer number (145742154).

Almost surely, 2^728710755 is an apocalyptic number.

728710755 is a deficient number, since it is larger than the sum of its proper divisors (437226477).

728710755 is a wasteful number, since it uses less digits than its factorization.

728710755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48580725.

The product of its (nonzero) digits is 137200, while the sum is 42.

The square root of 728710755 is about 26994.6430796927. The cubic root of 728710755 is about 899.8809533897.

The spelling of 728710755 in words is "seven hundred twenty-eight million, seven hundred ten thousand, seven hundred fifty-five".