68854709 has 32 divisors (see below), whose sum is σ = 94887936. Its totient is φ = 48280320.

The previous prime is 68854699. The next prime is 68854717. The reversal of 68854709 is 90745886.

It is not a de Polignac number, because 68854709 - 2⁸ = 68854453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68854769) 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 31 ways as a sum of consecutive naturals, for example, 28964 + ... + 31250.

It is an arithmetic number, because the mean of its divisors is an integer number (2965248).

Almost surely, 2^68854709 is an apocalyptic number.

It is an amenable number.

68854709 is a deficient number, since it is larger than the sum of its proper divisors (26033227).

68854709 is a wasteful number, since it uses less digits than its factorization.

68854709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 68854709 is about 8297.8737638024. The cubic root of 68854709 is about 409.8685063154.

The spelling of 68854709 in words is "sixty-eight million, eight hundred fifty-four thousand, seven hundred nine".