68061719 has 8 divisors (see below), whose sum is σ = 74321280. Its totient is φ = 61814200.

The previous prime is 68061701. The next prime is 68061731. The reversal of 68061719 is 91716086.

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 68061719 - 2¹² = 68057623 is a prime.

It is a super-2 number, since 2×68061719² = 9264795186469922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68061619) 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, 12164 + ... + 16854.

It is an arithmetic number, because the mean of its divisors is an integer number (9290160).

Almost surely, 2^68061719 is an apocalyptic number.

68061719 is a deficient number, since it is larger than the sum of its proper divisors (6259561).

68061719 is a wasteful number, since it uses less digits than its factorization.

68061719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 68061719 is about 8249.9526665309. The cubic root of 68061719 is about 408.2889609241.

The spelling of 68061719 in words is "sixty-eight million, sixty-one thousand, seven hundred nineteen".