68727873 has 4 divisors (see below), whose sum is σ = 91637168. Its totient is φ = 45818580.

The previous prime is 68727871. The next prime is 68727881. The reversal of 68727873 is 37872786.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68727873 - 2¹ = 68727871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68727871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11454643 + ... + 11454648.

It is an arithmetic number, because the mean of its divisors is an integer number (22909292).

Almost surely, 2^68727873 is an apocalyptic number.

It is an amenable number.

68727873 is a deficient number, since it is larger than the sum of its proper divisors (22909295).

68727873 is a wasteful number, since it uses less digits than its factorization.

68727873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22909294.

The product of its digits is 790272, while the sum is 48.

The square root of 68727873 is about 8290.2275602061. The cubic root of 68727873 is about 409.6166811984.

The spelling of 68727873 in words is "sixty-eight million, seven hundred twenty-seven thousand, eight hundred seventy-three".