68122479 has 16 divisors (see below), whose sum is σ = 94180320. Its totient is φ = 43747200.

The previous prime is 68122477. The next prime is 68122501. The reversal of 68122479 is 97422186.

It is not a de Polignac number, because 68122479 - 2¹ = 68122477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68122477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60429 + ... + 61545.

It is an arithmetic number, because the mean of its divisors is an integer number (5886270).

Almost surely, 2^68122479 is an apocalyptic number.

68122479 is a deficient number, since it is larger than the sum of its proper divisors (26057841).

68122479 is a wasteful number, since it uses less digits than its factorization.

68122479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850.

The product of its digits is 48384, while the sum is 39.

The square root of 68122479 is about 8253.6342904202. The cubic root of 68122479 is about 408.4104205797.

The spelling of 68122479 in words is "sixty-eight million, one hundred twenty-two thousand, four hundred seventy-nine".