68064187 has 8 divisors (see below), whose sum is σ = 68677632. Its totient is φ = 67453800.

The previous prime is 68064179. The next prime is 68064257. The reversal of 68064187 is 78146086.

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 68064187 - 2³ = 68064179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68064167) 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, 69612 + ... + 70582.

It is an arithmetic number, because the mean of its divisors is an integer number (8584704).

Almost surely, 2^68064187 is an apocalyptic number.

68064187 is a deficient number, since it is larger than the sum of its proper divisors (613445).

68064187 is a wasteful number, since it uses less digits than its factorization.

68064187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 68064187 is about 8250.1022417907. The cubic root of 68064187 is about 408.2938958811.

The spelling of 68064187 in words is "sixty-eight million, sixty-four thousand, one hundred eighty-seven".