68613873 has 16 divisors (see below), whose sum is σ = 95559360. Its totient is φ = 43747776.

The previous prime is 68613871. The next prime is 68613889. The reversal of 68613873 is 37831686.

It is not a de Polignac number, because 68613873 - 2¹ = 68613871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68613871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311 + ... + 11787.

It is an arithmetic number, because the mean of its divisors is an integer number (5972460).

Almost surely, 2^68613873 is an apocalyptic number.

It is an amenable number.

68613873 is a deficient number, since it is larger than the sum of its proper divisors (26945487).

68613873 is a wasteful number, since it uses less digits than its factorization.

68613873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10576.

The product of its digits is 145152, while the sum is 42.

The square root of 68613873 is about 8283.3491415007. The cubic root of 68613873 is about 409.3900766586.

The spelling of 68613873 in words is "sixty-eight million, six hundred thirteen thousand, eight hundred seventy-three".