68326715 has 4 divisors (see below), whose sum is σ = 81992064. Its totient is φ = 54661368.

The previous prime is 68326711. The next prime is 68326733. The reversal of 68326715 is 51762386.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68326715 - 2² = 68326711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68326711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6832667 + ... + 6832676.

It is an arithmetic number, because the mean of its divisors is an integer number (20498016).

Almost surely, 2^68326715 is an apocalyptic number.

68326715 is a deficient number, since it is larger than the sum of its proper divisors (13665349).

68326715 is a wasteful number, since it uses less digits than its factorization.

68326715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13665348.

The product of its digits is 60480, while the sum is 38.

The square root of 68326715 is about 8265.9975199609. The cubic root of 68326715 is about 408.8181611277.

The spelling of 68326715 in words is "sixty-eight million, three hundred twenty-six thousand, seven hundred fifteen".