68544711 has 24 divisors (see below), whose sum is σ = 103119744. Its totient is φ = 45499320.

The previous prime is 68544701. The next prime is 68544733. The reversal of 68544711 is 11744586.

It is a happy number.

It is not a de Polignac number, because 68544711 - 2⁷ = 68544583 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68544701) 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, 75120 + ... + 76026.

It is an arithmetic number, because the mean of its divisors is an integer number (4296656).

Almost surely, 2^68544711 is an apocalyptic number.

68544711 is a deficient number, since it is larger than the sum of its proper divisors (34575033).

68544711 is an equidigital number, since it uses as much as digits as its factorization.

68544711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1221 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 68544711 is about 8279.1733282979. The cubic root of 68544711 is about 409.2524769087.

The spelling of 68544711 in words is "sixty-eight million, five hundred forty-four thousand, seven hundred eleven".