729284667 has 8 divisors (see below), whose sum is σ = 1014657024. Its totient is φ = 465051048.

The previous prime is 729284627. The next prime is 729284669. The reversal of 729284667 is 766482927.

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

It is not a de Polignac number, because 729284667 - 2¹⁸ = 729022523 is a prime.

It is a super-2 number, since 2×729284667² = 1063712251042601778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (729284669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5284603 + ... + 5284740.

It is an arithmetic number, because the mean of its divisors is an integer number (126832128).

Almost surely, 2^729284667 is an apocalyptic number.

729284667 is a deficient number, since it is larger than the sum of its proper divisors (285372357).

729284667 is a wasteful number, since it uses less digits than its factorization.

729284667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10569369.

The product of its digits is 2032128, while the sum is 51.

The square root of 729284667 is about 27005.2710965841. The cubic root of 729284667 is about 900.1171316687.

The spelling of 729284667 in words is "seven hundred twenty-nine million, two hundred eighty-four thousand, six hundred sixty-seven".