729288975 has 12 divisors (see below), whose sum is σ = 1205757896. Its totient is φ = 388954080.

The previous prime is 729288961. The next prime is 729288979. The reversal of 729288975 is 579882927.

It is not a de Polignac number, because 729288975 - 2²¹ = 727191823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729288979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4861852 + ... + 4862001.

Almost surely, 2^729288975 is an apocalyptic number.

729288975 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

729288975 is a deficient number, since it is larger than the sum of its proper divisors (476468921).

729288975 is a wasteful number, since it uses less digits than its factorization.

729288975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9723866 (or 9723861 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 57.

The square root of 729288975 is about 27005.3508586724. The cubic root of 729288975 is about 900.1189040433.

The spelling of 729288975 in words is "seven hundred twenty-nine million, two hundred eighty-eight thousand, nine hundred seventy-five".