68281475 has 12 divisors (see below), whose sum is σ = 84794424. Its totient is φ = 54544320.

The previous prime is 68281453. The next prime is 68281487. The reversal of 68281475 is 57418286.

It is not a de Polignac number, because 68281475 - 2⁸ = 68281219 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, 19832 + ... + 23018.

It is an arithmetic number, because the mean of its divisors is an integer number (7066202).

Almost surely, 2^68281475 is an apocalyptic number.

68281475 is a deficient number, since it is larger than the sum of its proper divisors (16512949).

68281475 is a wasteful number, since it uses less digits than its factorization.

68281475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054 (or 4049 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The square root of 68281475 is about 8263.2605550110. The cubic root of 68281475 is about 408.7279132794.

The spelling of 68281475 in words is "sixty-eight million, two hundred eighty-one thousand, four hundred seventy-five".