68006481 has 8 divisors (see below), whose sum is σ = 93126144. Its totient is φ = 44112240.

The previous prime is 68006461. The next prime is 68006501. The reversal of 68006481 is 18460086.

It is an interprime number because it is at equal distance from previous prime (68006461) and next prime (68006501).

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

It is not a de Polignac number, because 68006481 - 2⁶ = 68006417 is a prime.

It is a super-2 number, since 2×68006481² = 9249762916006722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68006441) 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, 306225 + ... + 306446.

It is an arithmetic number, because the mean of its divisors is an integer number (11640768).

Almost surely, 2^68006481 is an apocalyptic number.

It is an amenable number.

68006481 is a deficient number, since it is larger than the sum of its proper divisors (25119663).

68006481 is a wasteful number, since it uses less digits than its factorization.

68006481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612711.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 68006481 is about 8246.6042102189. The cubic root of 68006481 is about 408.1784770380.

The spelling of 68006481 in words is "sixty-eight million, six thousand, four hundred eighty-one".