68284715 has 8 divisors (see below), whose sum is σ = 82207008. Its totient is φ = 54450880.

The previous prime is 68284709. The next prime is 68284717. The reversal of 68284715 is 51748286.

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

It is not a de Polignac number, because 68284715 - 2⁸ = 68284459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68284717) 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, 20402 + ... + 23511.

It is an arithmetic number, because the mean of its divisors is an integer number (10275876).

Almost surely, 2^68284715 is an apocalyptic number.

68284715 is a deficient number, since it is larger than the sum of its proper divisors (13922293).

68284715 is a wasteful number, since it uses less digits than its factorization.

68284715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44229.

The product of its digits is 107520, while the sum is 41.

The square root of 68284715 is about 8263.4566012051. The cubic root of 68284715 is about 408.7343779781.

The spelling of 68284715 in words is "sixty-eight million, two hundred eighty-four thousand, seven hundred fifteen".