68442035 has 4 divisors (see below), whose sum is σ = 82130448. Its totient is φ = 54753624.

The previous prime is 68442029. The next prime is 68442053. The reversal of 68442035 is 53024486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68442035 - 2¹⁰ = 68441011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68441992 and 68442010.

It is an unprimeable number.

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, 6844199 + ... + 6844208.

It is an arithmetic number, because the mean of its divisors is an integer number (20532612).

Almost surely, 2^68442035 is an apocalyptic number.

68442035 is a deficient number, since it is larger than the sum of its proper divisors (13688413).

68442035 is a wasteful number, since it uses less digits than its factorization.

68442035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13688412.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 68442035 is about 8272.9701437875. The cubic root of 68442035 is about 409.0480293028.

The spelling of 68442035 in words is "sixty-eight million, four hundred forty-two thousand, thirty-five".