68028771 has 8 divisors (see below), whose sum is σ = 91212480. Its totient is φ = 45098792.

The previous prime is 68028769. The next prime is 68028791. The reversal of 68028771 is 17782086.

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 68028771 - 2¹ = 68028769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68028791) 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, 62805 + ... + 63878.

It is an arithmetic number, because the mean of its divisors is an integer number (11401560).

Almost surely, 2^68028771 is an apocalyptic number.

68028771 is a deficient number, since it is larger than the sum of its proper divisors (23183709).

68028771 is a wasteful number, since it uses less digits than its factorization.

68028771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126865.

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 68028771 is about 8247.9555648658. The cubic root of 68028771 is about 408.2230674176.

The spelling of 68028771 in words is "sixty-eight million, twenty-eight thousand, seven hundred seventy-one".