729069069 has 8 divisors (see below), whose sum is σ = 978616800. Its totient is φ = 482783696.

The previous prime is 729069037. The next prime is 729069071. The reversal of 729069069 is 960960927.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 729069069 - 2⁵ = 729069037 is a prime.

It is a super-2 number, since 2×729069069² = 1063083414745053522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729069079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815067 + ... + 815960.

It is an arithmetic number, because the mean of its divisors is an integer number (122327100).

Almost surely, 2^729069069 is an apocalyptic number.

It is an amenable number.

729069069 is a deficient number, since it is larger than the sum of its proper divisors (249547731).

729069069 is a wasteful number, since it uses less digits than its factorization.

729069069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631179.

The product of its (nonzero) digits is 367416, while the sum is 48.

The square root of 729069069 is about 27001.2790252610. The cubic root of 729069069 is about 900.0284225592.

The spelling of 729069069 in words is "seven hundred twenty-nine million, sixty-nine thousand, sixty-nine".