675136729 has 2 divisors, whose sum is σ = 675136730. Its totient is φ = 675136728.

The previous prime is 675136711. The next prime is 675136739. The reversal of 675136729 is 927631576.

675136729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549808704 + 125328025 = 23448^2 + 11195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675136729 is a prime.

It is not a weakly prime, because it can be changed into another prime (675136739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337568364 + 337568365.

It is an arithmetic number, because the mean of its divisors is an integer number (337568365).

Almost surely, 2^675136729 is an apocalyptic number.

It is an amenable number.

675136729 is a deficient number, since it is larger than the sum of its proper divisors (1).

675136729 is an equidigital number, since it uses as much as digits as its factorization.

675136729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 675136729 is about 25983.3933311259. The cubic root of 675136729 is about 877.2645468016.

The spelling of 675136729 in words is "six hundred seventy-five million, one hundred thirty-six thousand, seven hundred twenty-nine".