729664411 has 4 divisors (see below), whose sum is σ = 833902192. Its totient is φ = 625426632.

The previous prime is 729664379. The next prime is 729664423. The reversal of 729664411 is 114466927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114466927 = 61 ⋅1876507.

It is a cyclic number.

It is not a de Polignac number, because 729664411 - 2⁵ = 729664379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729664451) 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, 52118880 + ... + 52118893.

It is an arithmetic number, because the mean of its divisors is an integer number (208475548).

Almost surely, 2^729664411 is an apocalyptic number.

729664411 is a deficient number, since it is larger than the sum of its proper divisors (104237781).

729664411 is a wasteful number, since it uses less digits than its factorization.

729664411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104237780.

The product of its digits is 72576, while the sum is 40.

The square root of 729664411 is about 27012.3011052372. The cubic root of 729664411 is about 900.2733371415.

It can be divided in two parts, 72966 and 4411, that added together give a palindrome (77377).

The spelling of 729664411 in words is "seven hundred twenty-nine million, six hundred sixty-four thousand, four hundred eleven".