68008190 has 16 divisors (see below), whose sum is σ = 126636480. Its totient is φ = 26265120.

The previous prime is 68008189. The next prime is 68008223. The reversal of 68008190 is 9180086.

It is a super-2 number, since 2×68008190² = 9250227814152200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116966 + ... + 117545.

It is an arithmetic number, because the mean of its divisors is an integer number (7914780).

Almost surely, 2^68008190 is an apocalyptic number.

68008190 is a deficient number, since it is larger than the sum of its proper divisors (58628290).

68008190 is a wasteful number, since it uses less digits than its factorization.

68008190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234547.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 68008190 is about 8246.7078279760. The cubic root of 68008190 is about 408.1818961787.

The spelling of 68008190 in words is "sixty-eight million, eight thousand, one hundred ninety".