68051715 has 8 divisors (see below), whose sum is σ = 108882768. Its totient is φ = 36294240.

The previous prime is 68051713. The next prime is 68051729. The reversal of 68051715 is 51715086.

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

It is not a de Polignac number, because 68051715 - 2¹ = 68051713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68051713) 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, 2268376 + ... + 2268405.

It is an arithmetic number, because the mean of its divisors is an integer number (13610346).

Almost surely, 2^68051715 is an apocalyptic number.

68051715 is a deficient number, since it is larger than the sum of its proper divisors (40831053).

68051715 is a wasteful number, since it uses less digits than its factorization.

68051715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536789.

The product of its (nonzero) digits is 8400, while the sum is 33.

The square root of 68051715 is about 8249.3463377409. The cubic root of 68051715 is about 408.2689559298.

The spelling of 68051715 in words is "sixty-eight million, fifty-one thousand, seven hundred fifteen".