68197641 has 8 divisors (see below), whose sum is σ = 91594464. Its totient is φ = 45132960.

The previous prime is 68197621. The next prime is 68197651. The reversal of 68197641 is 14679186.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68197641 - 2⁵ = 68197609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68197593 and 68197602.

It is not an unprimeable number, because it can be changed into a prime (68197601) 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, 82555 + ... + 83376.

It is an arithmetic number, because the mean of its divisors is an integer number (11449308).

Almost surely, 2^68197641 is an apocalyptic number.

It is an amenable number.

68197641 is a deficient number, since it is larger than the sum of its proper divisors (23396823).

68197641 is a wasteful number, since it uses less digits than its factorization.

68197641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166071.

The product of its digits is 72576, while the sum is 42.

The square root of 68197641 is about 8258.1863020884. The cubic root of 68197641 is about 408.5605700443.

The spelling of 68197641 in words is "sixty-eight million, one hundred ninety-seven thousand, six hundred forty-one".