68329619 has 8 divisors (see below), whose sum is σ = 72306432. Its totient is φ = 64436680.

The previous prime is 68329609. The next prime is 68329627. The reversal of 68329619 is 91692386.

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

It is a cyclic number.

It is not a de Polignac number, because 68329619 - 2⁴ = 68329603 is a prime.

It is a super-2 number, since 2×68329619² = 9337873665370322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68329619.

It is not an unprimeable number, because it can be changed into a prime (68329609) 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, 19289 + ... + 22554.

It is an arithmetic number, because the mean of its divisors is an integer number (9038304).

Almost surely, 2^68329619 is an apocalyptic number.

68329619 is a deficient number, since it is larger than the sum of its proper divisors (3976813).

68329619 is a wasteful number, since it uses less digits than its factorization.

68329619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41937.

The product of its digits is 139968, while the sum is 44.

The square root of 68329619 is about 8266.1731774746. The cubic root of 68329619 is about 408.8239528648.

The spelling of 68329619 in words is "sixty-eight million, three hundred twenty-nine thousand, six hundred nineteen".