68382261 has 24 divisors (see below), whose sum is σ = 103034880. Its totient is φ = 43648416.

The previous prime is 68382257. The next prime is 68382263. The reversal of 68382261 is 16228386.

It is not a de Polignac number, because 68382261 - 2² = 68382257 is a prime.

It is a super-2 number, since 2×68382261² = 9352267238944242, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68382263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32116 + ... + 34178.

It is an arithmetic number, because the mean of its divisors is an integer number (4293120).

Almost surely, 2^68382261 is an apocalyptic number.

It is an amenable number.

68382261 is a deficient number, since it is larger than the sum of its proper divisors (34652619).

68382261 is a wasteful number, since it uses less digits than its factorization.

68382261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225 (or 2222 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 68382261 is about 8269.3567464465. The cubic root of 68382261 is about 408.9289136244.

It can be divided in two parts, 683 and 82261, that added together give a square (82944 = 288²).

The spelling of 68382261 in words is "sixty-eight million, three hundred eighty-two thousand, two hundred sixty-one".