68774312 has 16 divisors (see below), whose sum is σ = 133398900. Its totient is φ = 33201280.

The previous prime is 68774311. The next prime is 68774317. The reversal of 68774312 is 21347786.

It can be written as a sum of positive squares in 2 ways, for example, as 61559716 + 7214596 = 7846^2 + 2686^2 .

It is not an unprimeable number, because it can be changed into a prime (68774311) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 147989 + ... + 148452.

Almost surely, 2^68774312 is an apocalyptic number.

It is an amenable number.

68774312 is a deficient number, since it is larger than the sum of its proper divisors (64624588).

68774312 is a wasteful number, since it uses less digits than its factorization.

68774312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296476 (or 296472 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 68774312 is about 8293.0279150621. The cubic root of 68774312 is about 409.7089189153.

The spelling of 68774312 in words is "sixty-eight million, seven hundred seventy-four thousand, three hundred twelve".