68084830 has 64 divisors (see below), whose sum is σ = 147806208. Its totient is φ = 22274560.

The previous prime is 68084789. The next prime is 68084839. The reversal of 68084830 is 3848086.

It is a super-2 number, since 2×68084830² = 9271088152257800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68084830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68084839) 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 31 ways as a sum of consecutive naturals, for example, 42219 + ... + 43801.

It is an arithmetic number, because the mean of its divisors is an integer number (2309472).

Almost surely, 2^68084830 is an apocalyptic number.

68084830 is an abundant number, since it is smaller than the sum of its proper divisors (79721378).

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

68084830 is a wasteful number, since it uses less digits than its factorization.

68084830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 68084830 is about 8251.3532223509. The cubic root of 68084830 is about 408.3351684864.

The spelling of 68084830 in words is "sixty-eight million, eighty-four thousand, eight hundred thirty".