68328669 has 16 divisors (see below), whose sum is σ = 94492800. Its totient is φ = 43866816.

The previous prime is 68328641. The next prime is 68328691. The reversal of 68328669 is 96682386.

It is not a de Polignac number, because 68328669 - 2¹³ = 68320477 is a prime.

It is a super-2 number, since 2×68328669² = 9337614014623122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68328269) 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 15 ways as a sum of consecutive naturals, for example, 43512 + ... + 45054.

It is an arithmetic number, because the mean of its divisors is an integer number (5905800).

Almost surely, 2^68328669 is an apocalyptic number.

It is an amenable number.

68328669 is a deficient number, since it is larger than the sum of its proper divisors (26164131).

68328669 is a wasteful number, since it uses less digits than its factorization.

68328669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084.

The product of its digits is 746496, while the sum is 48.

The square root of 68328669 is about 8266.1157141671. The cubic root of 68328669 is about 408.8220582030.

The spelling of 68328669 in words is "sixty-eight million, three hundred twenty-eight thousand, six hundred sixty-nine".