68481611 has 8 divisors (see below), whose sum is σ = 75096624. Its totient is φ = 61931520.

The previous prime is 68481607. The next prime is 68481613. The reversal of 68481611 is 11618486.

It is a happy number.

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 68481611 - 2² = 68481607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68481613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14006 + ... + 18251.

It is an arithmetic number, because the mean of its divisors is an integer number (9387078).

Almost surely, 2^68481611 is an apocalyptic number.

68481611 is a deficient number, since it is larger than the sum of its proper divisors (6615013).

68481611 is a wasteful number, since it uses less digits than its factorization.

68481611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32461.

The product of its digits is 9216, while the sum is 35.

The square root of 68481611 is about 8275.3616839387. The cubic root of 68481611 is about 409.1268569099.

The spelling of 68481611 in words is "sixty-eight million, four hundred eighty-one thousand, six hundred eleven".