68278675 has 6 divisors (see below), whose sum is σ = 84665588. Its totient is φ = 54622920.

The previous prime is 68278643. The next prime is 68278687. The reversal of 68278675 is 57687286.

It is not a de Polignac number, because 68278675 - 2⁵ = 68278643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1365549 + ... + 1365598.

Almost surely, 2^68278675 is an apocalyptic number.

68278675 is a deficient number, since it is larger than the sum of its proper divisors (16386913).

68278675 is a wasteful number, since it uses less digits than its factorization.

68278675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731157 (or 2731152 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 68278675 is about 8263.0911286273. The cubic root of 68278675 is about 408.7223263380.

The spelling of 68278675 in words is "sixty-eight million, two hundred seventy-eight thousand, six hundred seventy-five".