68355345 has 16 divisors (see below), whose sum is σ = 110393280. Its totient is φ = 36114624.

The previous prime is 68355299. The next prime is 68355347. The reversal of 68355345 is 54355386.

It is not a de Polignac number, because 68355345 - 2⁶ = 68355281 is a prime.

It is a super-3 number, since 3×68355345³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68355347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19690 + ... + 22899.

It is an arithmetic number, because the mean of its divisors is an integer number (6899580).

Almost surely, 2^68355345 is an apocalyptic number.

It is an amenable number.

68355345 is a deficient number, since it is larger than the sum of its proper divisors (42037935).

68355345 is a wasteful number, since it uses less digits than its factorization.

68355345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42704.

The product of its digits is 216000, while the sum is 39.

The square root of 68355345 is about 8267.7291319927. The cubic root of 68355345 is about 408.8752536307.

The spelling of 68355345 in words is "sixty-eight million, three hundred fifty-five thousand, three hundred forty-five".