68022905 has 8 divisors (see below), whose sum is σ = 81672000. Its totient is φ = 54388656.

The previous prime is 68022887. The next prime is 68022917. The reversal of 68022905 is 50922086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68022905 - 2⁶ = 68022841 is a prime.

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, 14546 + ... + 18644.

It is an arithmetic number, because the mean of its divisors is an integer number (10209000).

Almost surely, 2^68022905 is an apocalyptic number.

It is an amenable number.

68022905 is a deficient number, since it is larger than the sum of its proper divisors (13649095).

68022905 is a wasteful number, since it uses less digits than its factorization.

68022905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7423.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 68022905 is about 8247.5999539260. The cubic root of 68022905 is about 408.2113336305.

The spelling of 68022905 in words is "sixty-eight million, twenty-two thousand, nine hundred five".