68079191 has 8 divisors (see below), whose sum is σ = 69826944. Its totient is φ = 66339000.

The previous prime is 68079161. The next prime is 68079197. The reversal of 68079191 is 19197086.

It is a happy number.

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 68079191 - 2⁶ = 68079127 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 (68079197) 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, 19316 + ... + 22566.

It is an arithmetic number, because the mean of its divisors is an integer number (8728368).

Almost surely, 2^68079191 is an apocalyptic number.

68079191 is a deficient number, since it is larger than the sum of its proper divisors (1747753).

68079191 is a wasteful number, since it uses less digits than its factorization.

68079191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3781.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 68079191 is about 8251.0115137479. The cubic root of 68079191 is about 408.3238949737.

The spelling of 68079191 in words is "sixty-eight million, seventy-nine thousand, one hundred ninety-one".