728035567 has 4 divisors (see below), whose sum is σ = 832040656. Its totient is φ = 624030480.

The previous prime is 728035547. The next prime is 728035603. The reversal of 728035567 is 765530827.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 728035567 - 2¹⁵ = 728002799 is a prime.

It is a super-2 number, since 2×728035567² = 1060071573634022978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728035547) 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, 52002534 + ... + 52002547.

It is an arithmetic number, because the mean of its divisors is an integer number (208010164).

Almost surely, 2^728035567 is an apocalyptic number.

728035567 is a deficient number, since it is larger than the sum of its proper divisors (104005089).

728035567 is a wasteful number, since it uses less digits than its factorization.

728035567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104005088.

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 728035567 is about 26982.1342187752. The cubic root of 728035567 is about 899.6029388425.

The spelling of 728035567 in words is "seven hundred twenty-eight million, thirty-five thousand, five hundred sixty-seven".