68541956 has 12 divisors (see below), whose sum is σ = 137083968. Its totient is φ = 29375112.

The previous prime is 68541947. The next prime is 68541959. The reversal of 68541956 is 65914586.

68541956 is an admirable number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68541959) 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 3 ways as a sum of consecutive naturals, for example, 1223936 + ... + 1223991.

It is an arithmetic number, because the mean of its divisors is an integer number (11423664).

Almost surely, 2^68541956 is an apocalyptic number.

It is an amenable number.

68541956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68541956 is a wasteful number, since it uses less digits than its factorization.

68541956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447938 (or 2447936 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 68541956 is about 8279.0069452803. The cubic root of 68541956 is about 409.2469938419.

The spelling of 68541956 in words is "sixty-eight million, five hundred forty-one thousand, nine hundred fifty-six".