68075495 has 4 divisors (see below), whose sum is σ = 81690600. Its totient is φ = 54460392.

The previous prime is 68075453. The next prime is 68075507. The reversal of 68075495 is 59457086.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68075495 - 2¹⁴ = 68059111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6807545 + ... + 6807554.

It is an arithmetic number, because the mean of its divisors is an integer number (20422650).

Almost surely, 2^68075495 is an apocalyptic number.

68075495 is a deficient number, since it is larger than the sum of its proper divisors (13615105).

68075495 is a wasteful number, since it uses less digits than its factorization.

68075495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13615104.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 68075495 is about 8250.7875381687. The cubic root of 68075495 is about 408.3165055771.

The spelling of 68075495 in words is "sixty-eight million, seventy-five thousand, four hundred ninety-five".