68690335 has 8 divisors (see below), whose sum is σ = 94203936. Its totient is φ = 47101920.

The previous prime is 68690333. The next prime is 68690371. The reversal of 68690335 is 53309686.

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

It is not a de Polignac number, because 68690335 - 2¹ = 68690333 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 (68690333) 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, 981256 + ... + 981325.

It is an arithmetic number, because the mean of its divisors is an integer number (11775492).

Almost surely, 2^68690335 is an apocalyptic number.

68690335 is a deficient number, since it is larger than the sum of its proper divisors (25513601).

68690335 is a wasteful number, since it uses less digits than its factorization.

68690335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962593.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 68690335 is about 8287.9632600537. The cubic root of 68690335 is about 409.5420923862.

The spelling of 68690335 in words is "sixty-eight million, six hundred ninety thousand, three hundred thirty-five".