68030518 has 4 divisors (see below), whose sum is σ = 102045780. Its totient is φ = 34015258.

The previous prime is 68030477. The next prime is 68030519. The reversal of 68030518 is 81503086.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 68030518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68030519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17007628 + ... + 17007631.

It is an arithmetic number, because the mean of its divisors is an integer number (25511445).

Almost surely, 2^68030518 is an apocalyptic number.

68030518 is a deficient number, since it is larger than the sum of its proper divisors (34015262).

68030518 is a wasteful number, since it uses less digits than its factorization.

68030518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34015261.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 68030518 is about 8248.0614692181. The cubic root of 68030518 is about 408.2265618194.

The spelling of 68030518 in words is "sixty-eight million, thirty thousand, five hundred eighteen".