729001533 has 32 divisors (see below), whose sum is σ = 1069294464. Its totient is φ = 439068672.

The previous prime is 729001513. The next prime is 729001541. The reversal of 729001533 is 335100927.

It is not a de Polignac number, because 729001533 - 2¹⁰ = 729000509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 729001533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729001513) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 364785 + ... + 366777.

It is an arithmetic number, because the mean of its divisors is an integer number (33415452).

Almost surely, 2^729001533 is an apocalyptic number.

It is an amenable number.

729001533 is a deficient number, since it is larger than the sum of its proper divisors (340292931).

729001533 is a wasteful number, since it uses less digits than its factorization.

729001533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 729001533 is about 27000.0283888740. The cubic root of 729001533 is about 900.0006308638. Note that the first 3 decimals are identical.

The spelling of 729001533 in words is "seven hundred twenty-nine million, one thousand, five hundred thirty-three".