68479293 has 8 divisors (see below), whose sum is σ = 92668768. Its totient is φ = 44971344.

The previous prime is 68479273. The next prime is 68479309. The reversal of 68479293 is 39297486.

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

It is not a de Polignac number, because 68479293 - 2²² = 64284989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68479223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170146 + ... + 170547.

It is an arithmetic number, because the mean of its divisors is an integer number (11583596).

Almost surely, 2^68479293 is an apocalyptic number.

It is an amenable number.

68479293 is a deficient number, since it is larger than the sum of its proper divisors (24189475).

68479293 is a wasteful number, since it uses less digits than its factorization.

68479293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340763.

The product of its digits is 653184, while the sum is 48.

The square root of 68479293 is about 8275.2216284520. The cubic root of 68479293 is about 409.1222407473.

The spelling of 68479293 in words is "sixty-eight million, four hundred seventy-nine thousand, two hundred ninety-three".