68481441 has 24 divisors (see below), whose sum is σ = 116950080. Its totient is φ = 37781856.

The previous prime is 68481431. The next prime is 68481451. The reversal of 68481441 is 14418486.

It is an interprime number because it is at equal distance from previous prime (68481431) and next prime (68481451).

It is not a de Polignac number, because 68481441 - 2⁵ = 68481409 is a prime.

It is a super-2 number, since 2×68481441² = 9379415522872962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68481396 and 68481405.

It is not an unprimeable number, because it can be changed into a prime (68481431) 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 23 ways as a sum of consecutive naturals, for example, 16915 + ... + 20568.

It is an arithmetic number, because the mean of its divisors is an integer number (4872920).

Almost surely, 2^68481441 is an apocalyptic number.

It is an amenable number.

68481441 is a deficient number, since it is larger than the sum of its proper divisors (48468639).

68481441 is a wasteful number, since it uses less digits than its factorization.

68481441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37525 (or 37522 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 68481441 is about 8275.3514124779. The cubic root of 68481441 is about 409.1265183683.

The spelling of 68481441 in words is "sixty-eight million, four hundred eighty-one thousand, four hundred forty-one".