68031475 has 6 divisors (see below), whose sum is σ = 84359060. Its totient is φ = 54425160.

The previous prime is 68031443. The next prime is 68031503. The reversal of 68031475 is 57413086.

It is not a de Polignac number, because 68031475 - 2⁵ = 68031443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68031475.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1360605 + ... + 1360654.

Almost surely, 2^68031475 is an apocalyptic number.

68031475 is a deficient number, since it is larger than the sum of its proper divisors (16327585).

68031475 is a wasteful number, since it uses less digits than its factorization.

68031475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721269 (or 2721264 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 68031475 is about 8248.1194826457. The cubic root of 68031475 is about 408.2284760142.

The spelling of 68031475 in words is "sixty-eight million, thirty-one thousand, four hundred seventy-five".