867460729 has 2 divisors, whose sum is σ = 867460730. Its totient is φ = 867460728.

The previous prime is 867460691. The next prime is 867460733. The reversal of 867460729 is 927064768.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 482241600 + 385219129 = 21960^2 + 19627^2 .

It is a cyclic number.

It is not a de Polignac number, because 867460729 - 2²³ = 859072121 is a prime.

It is a super-2 number, since 2×867460729² = 1504976232714422882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (867460799) 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, 433730364 + 433730365.

It is an arithmetic number, because the mean of its divisors is an integer number (433730365).

Almost surely, 2^867460729 is an apocalyptic number.

It is an amenable number.

867460729 is a deficient number, since it is larger than the sum of its proper divisors (1).

867460729 is an equidigital number, since it uses as much as digits as its factorization.

867460729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 867460729 is about 29452.6862781648. The cubic root of 867460729 is about 953.7105956155.

The spelling of 867460729 in words is "eight hundred sixty-seven million, four hundred sixty thousand, seven hundred twenty-nine".