68187695 has 4 divisors (see below), whose sum is σ = 81825240. Its totient is φ = 54550152.

The previous prime is 68187689. The next prime is 68187719. The reversal of 68187695 is 59678186.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59678186 = 2 ⋅29839093.

It is a cyclic number.

It is not a de Polignac number, because 68187695 - 2²⁰ = 67139119 is a prime.

It is a super-3 number, since 3×68187695³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6818765 + ... + 6818774.

It is an arithmetic number, because the mean of its divisors is an integer number (20456310).

Almost surely, 2^68187695 is an apocalyptic number.

68187695 is a deficient number, since it is larger than the sum of its proper divisors (13637545).

68187695 is a wasteful number, since it uses less digits than its factorization.

68187695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13637544.

The product of its digits is 725760, while the sum is 50.

The square root of 68187695 is about 8257.5840897928. The cubic root of 68187695 is about 408.5407074756.

The spelling of 68187695 in words is "sixty-eight million, one hundred eighty-seven thousand, six hundred ninety-five".