68479429 has 4 divisors (see below), whose sum is σ = 69444000. Its totient is φ = 67514860.

The previous prime is 68479391. The next prime is 68479483. The reversal of 68479429 is 92497486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68479429 - 2¹⁵ = 68446661 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68479129) 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, 482179 + ... + 482320.

It is an arithmetic number, because the mean of its divisors is an integer number (17361000).

Almost surely, 2^68479429 is an apocalyptic number.

It is an amenable number.

68479429 is a deficient number, since it is larger than the sum of its proper divisors (964571).

68479429 is an equidigital number, since it uses as much as digits as its factorization.

68479429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964570.

The product of its digits is 870912, while the sum is 49.

The square root of 68479429 is about 8275.2298457505. The cubic root of 68479429 is about 409.1225115863.

The spelling of 68479429 in words is "sixty-eight million, four hundred seventy-nine thousand, four hundred twenty-nine".