68660527 has 8 divisors (see below), whose sum is σ = 75746160. Its totient is φ = 61832640.

The previous prime is 68660519. The next prime is 68660573. The reversal of 68660527 is 72506686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68660527 - 2³ = 68660519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68660527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68660587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63877 + ... + 64942.

It is an arithmetic number, because the mean of its divisors is an integer number (9468270).

Almost surely, 2^68660527 is an apocalyptic number.

68660527 is a deficient number, since it is larger than the sum of its proper divisors (7085633).

68660527 is a wasteful number, since it uses less digits than its factorization.

68660527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128873.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68660527 is about 8286.1647944028. The cubic root of 68660527 is about 409.4828438911.

The spelling of 68660527 in words is "sixty-eight million, six hundred sixty thousand, five hundred twenty-seven".