68775070 has 32 divisors (see below), whose sum is σ = 152365248. Its totient is φ = 21765888.

The previous prime is 68775043. The next prime is 68775169. The reversal of 68775070 is 7057786.

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 15 ways as a sum of consecutive naturals, for example, 36879 + ... + 38698.

It is an arithmetic number, because the mean of its divisors is an integer number (4761414).

Almost surely, 2^68775070 is an apocalyptic number.

68775070 is an abundant number, since it is smaller than the sum of its proper divisors (83590178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68775070 is a wasteful number, since it uses less digits than its factorization.

68775070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75604.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 68775070 is about 8293.0736159762. The cubic root of 68775070 is about 409.7104241198.

It can be divided in two parts, 687 and 75070, that added together give a palindrome (75757).

The spelling of 68775070 in words is "sixty-eight million, seven hundred seventy-five thousand, seventy".