68745475 has 18 divisors (see below), whose sum is σ = 86782020. Its totient is φ = 54021600.

The previous prime is 68745463. The next prime is 68745493. The reversal of 68745475 is 57454786.

It is a happy number.

It is not a de Polignac number, because 68745475 - 2²⁵ = 35191043 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 92656 + ... + 93394.

Almost surely, 2^68745475 is an apocalyptic number.

68745475 is a deficient number, since it is larger than the sum of its proper divisors (18036545).

68745475 is an equidigital number, since it uses as much as digits as its factorization.

68745475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 805 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 68745475 is about 8291.2891036316. The cubic root of 68745475 is about 409.6516473971.

The spelling of 68745475 in words is "sixty-eight million, seven hundred forty-five thousand, four hundred seventy-five".