68388275 has 12 divisors (see below), whose sum is σ = 86774952. Its totient is φ = 53437440.

The previous prime is 68388227. The next prime is 68388283. The reversal of 68388275 is 57288386.

It is not a de Polignac number, because 68388275 - 2¹⁶ = 68322739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30734 + ... + 32883.

It is an arithmetic number, because the mean of its divisors is an integer number (7231246).

Almost surely, 2^68388275 is an apocalyptic number.

68388275 is a deficient number, since it is larger than the sum of its proper divisors (18386677).

68388275 is a wasteful number, since it uses less digits than its factorization.

68388275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63670 (or 63665 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 68388275 is about 8269.7203701214. The cubic root of 68388275 is about 408.9409012674.

The spelling of 68388275 in words is "sixty-eight million, three hundred eighty-eight thousand, two hundred seventy-five".