729738677 has 2 divisors, whose sum is σ = 729738678. Its totient is φ = 729738676.

The previous prime is 729738649. The next prime is 729738689. The reversal of 729738677 is 776837927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 703257361 + 26481316 = 26519^2 + 5146^2 .

It is a cyclic number.

It is not a de Polignac number, because 729738677 - 2⁶ = 729738613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729738697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364869338 + 364869339.

It is an arithmetic number, because the mean of its divisors is an integer number (364869339).

Almost surely, 2^729738677 is an apocalyptic number.

It is an amenable number.

729738677 is a deficient number, since it is larger than the sum of its proper divisors (1).

729738677 is an equidigital number, since it uses as much as digits as its factorization.

729738677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6223392, while the sum is 56.

The square root of 729738677 is about 27013.6757402616. The cubic root of 729738677 is about 900.3038796898.

The spelling of 729738677 in words is "seven hundred twenty-nine million, seven hundred thirty-eight thousand, six hundred seventy-seven".