68308873 has 8 divisors (see below), whose sum is σ = 75472128. Its totient is φ = 61495104.

The previous prime is 68308861. The next prime is 68308913. The reversal of 68308873 is 37880386.

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 68308873 - 2¹⁷ = 68177801 is a prime.

It is a super-2 number, since 2×68308873² = 9332204261060258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68308853) 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, 86961 + ... + 87742.

It is an arithmetic number, because the mean of its divisors is an integer number (9434016).

Almost surely, 2^68308873 is an apocalyptic number.

It is an amenable number.

68308873 is a deficient number, since it is larger than the sum of its proper divisors (7163255).

68308873 is a wasteful number, since it uses less digits than its factorization.

68308873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174743.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 68308873 is about 8264.9182089117. The cubic root of 68308873 is about 408.7825734437.

The spelling of 68308873 in words is "sixty-eight million, three hundred eight thousand, eight hundred seventy-three".