68660695 has 4 divisors (see below), whose sum is σ = 82392840. Its totient is φ = 54928552.

The previous prime is 68660693. The next prime is 68660707. The reversal of 68660695 is 59606686.

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 68660695 - 2¹ = 68660693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68660693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6866065 + ... + 6866074.

It is an arithmetic number, because the mean of its divisors is an integer number (20598210).

Almost surely, 2^68660695 is an apocalyptic number.

68660695 is a deficient number, since it is larger than the sum of its proper divisors (13732145).

68660695 is a wasteful number, since it uses less digits than its factorization.

68660695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13732144.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 68660695 is about 8286.1749317764. The cubic root of 68660695 is about 409.4831778678.

The spelling of 68660695 in words is "sixty-eight million, six hundred sixty thousand, six hundred ninety-five".