68579459 has 8 divisors (see below), whose sum is σ = 73958640. Its totient is φ = 63215136.

The previous prime is 68579419. The next prime is 68579473. The reversal of 68579459 is 95497586.

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 68579459 - 2¹⁶ = 68513923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68579459.

It is not an unprimeable number, because it can be changed into a prime (68579419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7052 + ... + 13670.

It is an arithmetic number, because the mean of its divisors is an integer number (9244830).

Almost surely, 2^68579459 is an apocalyptic number.

68579459 is a deficient number, since it is larger than the sum of its proper divisors (5379181).

68579459 is a wasteful number, since it uses less digits than its factorization.

68579459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7429.

The product of its digits is 2721600, while the sum is 53.

The square root of 68579459 is about 8281.2715811040. The cubic root of 68579459 is about 409.3216205986.

The spelling of 68579459 in words is "sixty-eight million, five hundred seventy-nine thousand, four hundred fifty-nine".