68959719 has 12 divisors (see below), whose sum is σ = 100491456. Its totient is φ = 45565632.

The previous prime is 68959711. The next prime is 68959729. The reversal of 68959719 is 91795986.

It is not a de Polignac number, because 68959719 - 2³ = 68959711 is a prime.

It is a super-2 number, since 2×68959719² = 9510885689117922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68959711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32887 + ... + 34920.

It is an arithmetic number, because the mean of its divisors is an integer number (8374288).

Almost surely, 2^68959719 is an apocalyptic number.

68959719 is a deficient number, since it is larger than the sum of its proper divisors (31531737).

68959719 is a wasteful number, since it uses less digits than its factorization.

68959719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67926 (or 67923 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 68959719 is about 8304.1988776763. The cubic root of 68959719 is about 410.0767633386.

The spelling of 68959719 in words is "sixty-eight million, nine hundred fifty-nine thousand, seven hundred nineteen".