68045735 has 4 divisors (see below), whose sum is σ = 81654888. Its totient is φ = 54436584.

The previous prime is 68045729. The next prime is 68045741. The reversal of 68045735 is 53754086.

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

It is an interprime number because it is at equal distance from previous prime (68045729) and next prime (68045741).

It is a cyclic number.

It is not a de Polignac number, because 68045735 - 2⁶ = 68045671 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6804569 + ... + 6804578.

It is an arithmetic number, because the mean of its divisors is an integer number (20413722).

Almost surely, 2^68045735 is an apocalyptic number.

68045735 is a deficient number, since it is larger than the sum of its proper divisors (13609153).

68045735 is a wasteful number, since it uses less digits than its factorization.

68045735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13609152.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 68045735 is about 8248.9838768178. The cubic root of 68045735 is about 408.2569967902.

The spelling of 68045735 in words is "sixty-eight million, forty-five thousand, seven hundred thirty-five".