68951785 has 16 divisors (see below), whose sum is σ = 95861376. Its totient is φ = 46631808.

The previous prime is 68951767. The next prime is 68951789. The reversal of 68951785 is 58715986.

It is a cyclic number.

It is not a de Polignac number, because 68951785 - 2⁹ = 68951273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68951789) 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 15 ways as a sum of consecutive naturals, for example, 10939 + ... + 16048.

It is an arithmetic number, because the mean of its divisors is an integer number (5991336).

Almost surely, 2^68951785 is an apocalyptic number.

It is an amenable number.

68951785 is a deficient number, since it is larger than the sum of its proper divisors (26909591).

68951785 is a wasteful number, since it uses less digits than its factorization.

68951785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27072.

The product of its digits is 604800, while the sum is 49.

The square root of 68951785 is about 8303.7211537960. The cubic root of 68951785 is about 410.0610359261.

The spelling of 68951785 in words is "sixty-eight million, nine hundred fifty-one thousand, seven hundred eighty-five".