728275535 has 16 divisors (see below), whose sum is σ = 943977216. Its totient is φ = 536191488.

The previous prime is 728275501. The next prime is 728275577. The reversal of 728275535 is 535572827.

It is a cyclic number.

It is not a de Polignac number, because 728275535 - 2¹⁰ = 728274511 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5282 + ... + 38528.

It is an arithmetic number, because the mean of its divisors is an integer number (58998576).

Almost surely, 2^728275535 is an apocalyptic number.

728275535 is a deficient number, since it is larger than the sum of its proper divisors (215701681).

728275535 is a wasteful number, since it uses less digits than its factorization.

728275535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33602.

The product of its digits is 588000, while the sum is 44.

The square root of 728275535 is about 26986.5806466844. The cubic root of 728275535 is about 899.7017674409.

The spelling of 728275535 in words is "seven hundred twenty-eight million, two hundred seventy-five thousand, five hundred thirty-five".