68625858 has 16 divisors (see below), whose sum is σ = 156859200. Its totient is φ = 19607376.

The previous prime is 68625839. The next prime is 68625863. The reversal of 68625858 is 85852686.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 816933 + ... + 817016.

It is an arithmetic number, because the mean of its divisors is an integer number (9803700).

Almost surely, 2^68625858 is an apocalyptic number.

68625858 is an abundant number, since it is smaller than the sum of its proper divisors (88233342).

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

68625858 is a wasteful number, since it uses less digits than its factorization.

68625858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633961.

The product of its digits is 921600, while the sum is 48.

The square root of 68625858 is about 8284.0725491753. The cubic root of 68625858 is about 409.4139117530.

It can be divided in two parts, 6862 and 5858, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 68625858 in words is "sixty-eight million, six hundred twenty-five thousand, eight hundred fifty-eight".