68727534 has 8 divisors (see below), whose sum is σ = 137455080. Its totient is φ = 22909176.

The previous prime is 68727517. The next prime is 68727559. The reversal of 68727534 is 43572786.

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

68727534 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5727289 + ... + 5727300.

It is an arithmetic number, because the mean of its divisors is an integer number (17181885).

Almost surely, 2^68727534 is an apocalyptic number.

68727534 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68727534 is a wasteful number, since it uses less digits than its factorization.

68727534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11454594.

The product of its digits is 282240, while the sum is 42.

The square root of 68727534 is about 8290.2071144212. The cubic root of 68727534 is about 409.6160077197.

The spelling of 68727534 in words is "sixty-eight million, seven hundred twenty-seven thousand, five hundred thirty-four".