68354069 has 16 divisors (see below), whose sum is σ = 80707200. Its totient is φ = 57883308.

The previous prime is 68354063. The next prime is 68354129. The reversal of 68354069 is 96045386.

It is not a de Polignac number, because 68354069 - 2⁴ = 68354053 is a prime.

It is a super-2 number, since 2×68354069² = 9344557497713522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68354063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 823502 + ... + 823584.

It is an arithmetic number, because the mean of its divisors is an integer number (5044200).

Almost surely, 2^68354069 is an apocalyptic number.

It is an amenable number.

68354069 is a deficient number, since it is larger than the sum of its proper divisors (12353131).

68354069 is an frugal number, since it uses more digits than its factorization.

68354069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 68354069 is about 8267.6519641310. The cubic root of 68354069 is about 408.8727094353.

The spelling of 68354069 in words is "sixty-eight million, three hundred fifty-four thousand, sixty-nine".