68819039 has 8 divisors (see below), whose sum is σ = 71554560. Its totient is φ = 66115800.

The previous prime is 68819011. The next prime is 68819087. The reversal of 68819039 is 93091886.

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 68819039 - 2¹² = 68814943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68819239) 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, 3677 + ... + 12294.

It is an arithmetic number, because the mean of its divisors is an integer number (8944320).

Almost surely, 2^68819039 is an apocalyptic number.

68819039 is a deficient number, since it is larger than the sum of its proper divisors (2735521).

68819039 is a wasteful number, since it uses less digits than its factorization.

68819039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16141.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 68819039 is about 8295.7241395794. The cubic root of 68819039 is about 409.7977169911.

The spelling of 68819039 in words is "sixty-eight million, eight hundred nineteen thousand, thirty-nine".