68001698 has 8 divisors (see below), whose sum is σ = 104490540. Its totient is φ = 33171520.

The previous prime is 68001691. The next prime is 68001701. The reversal of 68001698 is 89610086.

It can be written as a sum of positive squares in 2 ways, for example, as 43864129 + 24137569 = 6623^2 + 4913^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68001691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414563 + ... + 414726.

Almost surely, 2^68001698 is an apocalyptic number.

68001698 is a deficient number, since it is larger than the sum of its proper divisors (36488842).

68001698 is a wasteful number, since it uses less digits than its factorization.

68001698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829332.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 68001698 is about 8246.3142069654. The cubic root of 68001698 is about 408.1689075411.

The spelling of 68001698 in words is "sixty-eight million, one thousand, six hundred ninety-eight".