727600729 has 2 divisors, whose sum is σ = 727600730. Its totient is φ = 727600728.

The previous prime is 727600723. The next prime is 727600733. The reversal of 727600729 is 927006727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715455504 + 12145225 = 26748^2 + 3485^2 .

It is a cyclic number.

It is not a de Polignac number, because 727600729 - 2¹⁵ = 727567961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 727600691 and 727600700.

It is not a weakly prime, because it can be changed into another prime (727600723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363800364 + 363800365.

It is an arithmetic number, because the mean of its divisors is an integer number (363800365).

Almost surely, 2^727600729 is an apocalyptic number.

It is an amenable number.

727600729 is a deficient number, since it is larger than the sum of its proper divisors (1).

727600729 is an equidigital number, since it uses as much as digits as its factorization.

727600729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 727600729 is about 26974.0751277963. The cubic root of 727600729 is about 899.4237994948.

The spelling of 727600729 in words is "seven hundred twenty-seven million, six hundred thousand, seven hundred twenty-nine".