68578727 has 8 divisors (see below), whose sum is σ = 80904192. Its totient is φ = 56885400.

The previous prime is 68578711. The next prime is 68578729. The reversal of 68578727 is 72787586.

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 68578727 - 2⁴ = 68578711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68578729) 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, 157799 + ... + 158232.

It is an arithmetic number, because the mean of its divisors is an integer number (10113024).

Almost surely, 2^68578727 is an apocalyptic number.

68578727 is a deficient number, since it is larger than the sum of its proper divisors (12325465).

68578727 is a wasteful number, since it uses less digits than its factorization.

68578727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316069.

The product of its digits is 1317120, while the sum is 50.

The square root of 68578727 is about 8281.2273848748. The cubic root of 68578727 is about 409.3201642612.

The spelling of 68578727 in words is "sixty-eight million, five hundred seventy-eight thousand, seven hundred twenty-seven".