68405246 has 32 divisors (see below), whose sum is σ = 133721280. Its totient is φ = 25468416.

The previous prime is 68405237. The next prime is 68405269. The reversal of 68405246 is 64250486.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7961 + ... + 14148.

It is an arithmetic number, because the mean of its divisors is an integer number (4178790).

Almost surely, 2^68405246 is an apocalyptic number.

68405246 is a deficient number, since it is larger than the sum of its proper divisors (65316034).

68405246 is a wasteful number, since it uses less digits than its factorization.

68405246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22148.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 68405246 is about 8270.7463992073. The cubic root of 68405246 is about 408.9747255939.

The spelling of 68405246 in words is "sixty-eight million, four hundred five thousand, two hundred forty-six".