68254617 has 4 divisors (see below), whose sum is σ = 91006160. Its totient is φ = 45503076.

The previous prime is 68254597. The next prime is 68254621. The reversal of 68254617 is 71645286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68254617 - 2¹⁰ = 68253593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68254117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11375767 + ... + 11375772.

It is an arithmetic number, because the mean of its divisors is an integer number (22751540).

Almost surely, 2^68254617 is an apocalyptic number.

It is an amenable number.

68254617 is a deficient number, since it is larger than the sum of its proper divisors (22751543).

68254617 is a wasteful number, since it uses less digits than its factorization.

68254617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22751542.

The product of its digits is 80640, while the sum is 39.

The square root of 68254617 is about 8261.6352497553. The cubic root of 68254617 is about 408.6743162439.

The spelling of 68254617 in words is "sixty-eight million, two hundred fifty-four thousand, six hundred seventeen".