68088617 has 4 divisors (see below), whose sum is σ = 70285056. Its totient is φ = 65892180.

The previous prime is 68088611. The next prime is 68088641. The reversal of 68088617 is 71688086.

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 a cyclic number.

It is not a de Polignac number, because 68088617 - 2¹² = 68084521 is a prime.

It is a super-3 number, since 3×68088617³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68088611) 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, 1098173 + ... + 1098234.

It is an arithmetic number, because the mean of its divisors is an integer number (17571264).

Almost surely, 2^68088617 is an apocalyptic number.

It is an amenable number.

68088617 is a deficient number, since it is larger than the sum of its proper divisors (2196439).

68088617 is a wasteful number, since it uses less digits than its factorization.

68088617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196438.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 68088617 is about 8251.5826966710. The cubic root of 68088617 is about 408.3427391234.

The spelling of 68088617 in words is "sixty-eight million, eighty-eight thousand, six hundred seventeen".