68486629 has 8 divisors (see below), whose sum is σ = 69798872. Its totient is φ = 67184640.

The previous prime is 68486623. The next prime is 68486633. The reversal of 68486629 is 92668486.

It can be written as a sum of positive squares in 4 ways, for example, as 18105025 + 50381604 = 4255^2 + 7098^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68486629 - 2⁷ = 68486501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68486623) 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 7 ways as a sum of consecutive naturals, for example, 11659 + ... + 16519.

It is an arithmetic number, because the mean of its divisors is an integer number (8724859).

Almost surely, 2^68486629 is an apocalyptic number.

It is an amenable number.

68486629 is a deficient number, since it is larger than the sum of its proper divisors (1312243).

68486629 is a wasteful number, since it uses less digits than its factorization.

68486629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5127.

The product of its digits is 995328, while the sum is 49.

The square root of 68486629 is about 8275.6648675499. The cubic root of 68486629 is about 409.1368496092.

The spelling of 68486629 in words is "sixty-eight million, four hundred eighty-six thousand, six hundred twenty-nine".