68752830 has 32 divisors (see below), whose sum is σ = 173692800. Its totient is φ = 17368992.

The previous prime is 68752813. The next prime is 68752837. The reversal of 68752830 is 3825786.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68752837) 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 15 ways as a sum of consecutive naturals, for example, 59740 + ... + 60879.

It is an arithmetic number, because the mean of its divisors is an integer number (5427900).

Almost surely, 2^68752830 is an apocalyptic number.

68752830 is an abundant number, since it is smaller than the sum of its proper divisors (104939970).

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

68752830 is a wasteful number, since it uses less digits than its factorization.

68752830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120648.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 68752830 is about 8291.7326295534. The cubic root of 68752830 is about 409.6662562637. Note that the first 3 decimals are identical.

The spelling of 68752830 in words is "sixty-eight million, seven hundred fifty-two thousand, eight hundred thirty".