68814647 has 8 divisors (see below), whose sum is σ = 75130752. Its totient is φ = 62508600.

The previous prime is 68814631. The next prime is 68814653. The reversal of 68814647 is 74641886.

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

It is not a de Polignac number, because 68814647 - 2⁴ = 68814631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68814598 and 68814607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68814667) 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, 24068 + ... + 26774.

It is an arithmetic number, because the mean of its divisors is an integer number (9391344).

Almost surely, 2^68814647 is an apocalyptic number.

68814647 is a deficient number, since it is larger than the sum of its proper divisors (6316105).

68814647 is a wasteful number, since it uses less digits than its factorization.

68814647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5029.

The product of its digits is 258048, while the sum is 44.

The square root of 68814647 is about 8295.4594206710. The cubic root of 68814647 is about 409.7889991039.

The spelling of 68814647 in words is "sixty-eight million, eight hundred fourteen thousand, six hundred forty-seven".