68770830 has 16 divisors (see below), whose sum is σ = 165050064. Its totient is φ = 18338880.

The previous prime is 68770829. The next prime is 68770859. The reversal of 68770830 is 3807786.

It is a Curzon number.

It is a congruent 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, 1146151 + ... + 1146210.

It is an arithmetic number, because the mean of its divisors is an integer number (10315629).

Almost surely, 2^68770830 is an apocalyptic number.

68770830 is an abundant number, since it is smaller than the sum of its proper divisors (96279234).

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

68770830 is a wasteful number, since it uses less digits than its factorization.

68770830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292371.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 68770830 is about 8292.8179770208. The cubic root of 68770830 is about 409.7020043640.

It can be divided in two parts, 687 and 70830, that added together give a palindrome (71517).

The spelling of 68770830 in words is "sixty-eight million, seven hundred seventy thousand, eight hundred thirty".