68626461 has 12 divisors (see below), whose sum is σ = 96572832. Its totient is φ = 43342344.

The previous prime is 68626447. The next prime is 68626463. The reversal of 68626461 is 16462686.

It is not a de Polignac number, because 68626461 - 2⁵ = 68626429 is a prime.

It is a super-2 number, since 2×68626461² = 9419182298769042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68626463) 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 11 ways as a sum of consecutive naturals, for example, 30601 + ... + 32766.

It is an arithmetic number, because the mean of its divisors is an integer number (8047736).

Almost surely, 2^68626461 is an apocalyptic number.

It is an amenable number.

68626461 is a deficient number, since it is larger than the sum of its proper divisors (27946371).

68626461 is a wasteful number, since it uses less digits than its factorization.

68626461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63408 (or 63389 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 68626461 is about 8284.1089442378. The cubic root of 68626461 is about 409.4151108921.

The spelling of 68626461 in words is "sixty-eight million, six hundred twenty-six thousand, four hundred sixty-one".