68584845 has 32 divisors (see below), whose sum is σ = 127549440. Its totient is φ = 30818880.

The previous prime is 68584837. The next prime is 68584847. The reversal of 68584845 is 54848586.

It is a happy number.

It is not a de Polignac number, because 68584845 - 2³ = 68584837 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68584794 and 68584803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68584847) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 660 + ... + 11730.

It is an arithmetic number, because the mean of its divisors is an integer number (3985920).

Almost surely, 2^68584845 is an apocalyptic number.

It is an amenable number.

68584845 is a deficient number, since it is larger than the sum of its proper divisors (58964595).

68584845 is a wasteful number, since it uses less digits than its factorization.

68584845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11145.

The product of its digits is 1228800, while the sum is 48.

The square root of 68584845 is about 8281.5967663247. The cubic root of 68584845 is about 409.3323358992.

The spelling of 68584845 in words is "sixty-eight million, five hundred eighty-four thousand, eight hundred forty-five".