68313447 has 6 divisors (see below), whose sum is σ = 98674992. Its totient is φ = 45542292.

The previous prime is 68313439. The next prime is 68313451. The reversal of 68313447 is 74431386.

It is not a de Polignac number, because 68313447 - 2³ = 68313439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68313407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3795183 + ... + 3795200.

It is an arithmetic number, because the mean of its divisors is an integer number (16445832).

Almost surely, 2^68313447 is an apocalyptic number.

68313447 is a deficient number, since it is larger than the sum of its proper divisors (30361545).

68313447 is a wasteful number, since it uses less digits than its factorization.

68313447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590389 (or 7590386 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 68313447 is about 8265.1949160319. The cubic root of 68313447 is about 408.7916973426.

The spelling of 68313447 in words is "sixty-eight million, three hundred thirteen thousand, four hundred forty-seven".