68973081 has 8 divisors (see below), whose sum is σ = 92030304. Its totient is φ = 45948960.

The previous prime is 68973077. The next prime is 68973089. The reversal of 68973081 is 18037986.

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

It is not a de Polignac number, because 68973081 - 2² = 68973077 is a prime.

It is a super-2 number, since 2×68973081² = 9514571805265122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68973089) 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, 2916 + ... + 12101.

It is an arithmetic number, because the mean of its divisors is an integer number (11503788).

Almost surely, 2^68973081 is an apocalyptic number.

It is an amenable number.

68973081 is a deficient number, since it is larger than the sum of its proper divisors (23057223).

68973081 is a wasteful number, since it uses less digits than its factorization.

68973081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16551.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 68973081 is about 8305.0033714623. The cubic root of 68973081 is about 410.1032478425.

The spelling of 68973081 in words is "sixty-eight million, nine hundred seventy-three thousand, eighty-one".