68874775 has 6 divisors (see below), whose sum is σ = 85404752. Its totient is φ = 55099800.

The previous prime is 68874749. The next prime is 68874779. The reversal of 68874775 is 57747886.

It is a de Polignac number, because none of the positive numbers 2^k-68874775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68874779) by changing a digit.

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, 1377471 + ... + 1377520.

Almost surely, 2^68874775 is an apocalyptic number.

68874775 is a deficient number, since it is larger than the sum of its proper divisors (16529977).

68874775 is a wasteful number, since it uses less digits than its factorization.

68874775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755001 (or 2754996 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 52.

The square root of 68874775 is about 8299.0827806451. The cubic root of 68874775 is about 409.9083177907.

The spelling of 68874775 in words is "sixty-eight million, eight hundred seventy-four thousand, seven hundred seventy-five".