68542873 has 8 divisors (see below), whose sum is σ = 80001792. Its totient is φ = 57500736.

The previous prime is 68542871. The next prime is 68542879. The reversal of 68542873 is 37824586.

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 68542873 - 2¹ = 68542871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68542871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103840 + ... + 104497.

It is an arithmetic number, because the mean of its divisors is an integer number (10000224).

Almost surely, 2^68542873 is an apocalyptic number.

It is an amenable number.

68542873 is a deficient number, since it is larger than the sum of its proper divisors (11458919).

68542873 is a wasteful number, since it uses less digits than its factorization.

68542873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208391.

The product of its digits is 322560, while the sum is 43.

The square root of 68542873 is about 8279.0623261333. The cubic root of 68542873 is about 409.2488188935.

The spelling of 68542873 in words is "sixty-eight million, five hundred forty-two thousand, eight hundred seventy-three".