68460129 has 6 divisors (see below), whose sum is σ = 98886866. Its totient is φ = 45640080.

The previous prime is 68460127. The next prime is 68460137. The reversal of 68460129 is 92106486.

It can be written as a sum of positive squares in only one way, i.e., 44957025 + 23503104 = 6705^2 + 4848^2 .

It is not a de Polignac number, because 68460129 - 2¹ = 68460127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68460093 and 68460102.

It is not an unprimeable number, because it can be changed into a prime (68460127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3803332 + ... + 3803349.

Almost surely, 2^68460129 is an apocalyptic number.

It is an amenable number.

68460129 is a deficient number, since it is larger than the sum of its proper divisors (30426737).

68460129 is a wasteful number, since it uses less digits than its factorization.

68460129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606687 (or 7606684 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 68460129 is about 8274.0636328227. The cubic root of 68460129 is about 409.0840727612.

The spelling of 68460129 in words is "sixty-eight million, four hundred sixty thousand, one hundred twenty-nine".