68022907 has 4 divisors (see below), whose sum is σ = 71603080. Its totient is φ = 64442736.

The previous prime is 68022887. The next prime is 68022917. The reversal of 68022907 is 70922086.

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

It is a cyclic number.

It is not a de Polignac number, because 68022907 - 2²³ = 59634299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68022917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1790058 + ... + 1790095.

It is an arithmetic number, because the mean of its divisors is an integer number (17900770).

Almost surely, 2^68022907 is an apocalyptic number.

68022907 is a deficient number, since it is larger than the sum of its proper divisors (3580173).

68022907 is a wasteful number, since it uses less digits than its factorization.

68022907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580172.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 68022907 is about 8247.6000751734. The cubic root of 68022907 is about 408.2113376312.

The spelling of 68022907 in words is "sixty-eight million, twenty-two thousand, nine hundred seven".