68352305 has 24 divisors (see below), whose sum is σ = 96076008. Its totient is φ = 46545408.

The previous prime is 68352299. The next prime is 68352307. The reversal of 68352305 is 50325386.

It can be written as a sum of positive squares in 4 ways, for example, as 3211264 + 65141041 = 1792^2 + 8071^2 .

It is not a de Polignac number, because 68352305 - 2⁸ = 68352049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68352307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37577 + ... + 39353.

It is an arithmetic number, because the mean of its divisors is an integer number (4003167).

Almost surely, 2^68352305 is an apocalyptic number.

It is an amenable number.

68352305 is a deficient number, since it is larger than the sum of its proper divisors (27723703).

68352305 is a wasteful number, since it uses less digits than its factorization.

68352305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 68352305 is about 8267.5452826096. The cubic root of 68352305 is about 408.8691921725.

The spelling of 68352305 in words is "sixty-eight million, three hundred fifty-two thousand, three hundred five".