68411481 has 8 divisors (see below), whose sum is σ = 92156064. Its totient is φ = 45137280.

The previous prime is 68411479. The next prime is 68411501. The reversal of 68411481 is 18411486.

68411481 is nontrivially palindromic in base 15.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68411481 - 2¹ = 68411479 is a prime.

It is a super-2 number, since 2×68411481² = 9360261465226722, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (68411401) 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 7 ways as a sum of consecutive naturals, for example, 117255 + ... + 117836.

It is an arithmetic number, because the mean of its divisors is an integer number (11519508).

Almost surely, 2^68411481 is an apocalyptic number.

It is an amenable number.

68411481 is a deficient number, since it is larger than the sum of its proper divisors (23744583).

68411481 is a wasteful number, since it uses less digits than its factorization.

68411481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235191.

The product of its digits is 6144, while the sum is 33.

The square root of 68411481 is about 8271.1233215326. The cubic root of 68411481 is about 408.9871509564.

The spelling of 68411481 in words is "sixty-eight million, four hundred eleven thousand, four hundred eighty-one".