68736674 has 4 divisors (see below), whose sum is σ = 103105014. Its totient is φ = 34368336.

The previous prime is 68736671. The next prime is 68736677. The reversal of 68736674 is 47663786.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47663786 = 2 ⋅23831893.

It is an interprime number because it is at equal distance from previous prime (68736671) and next prime (68736677).

It can be written as a sum of positive squares in only one way, i.e., 55726225 + 13010449 = 7465^2 + 3607^2 .

It is not an unprimeable number, because it can be changed into a prime (68736671) 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 as a sum of consecutive naturals, namely, 17184167 + ... + 17184170.

Almost surely, 2^68736674 is an apocalyptic number.

68736674 is a deficient number, since it is larger than the sum of its proper divisors (34368340).

68736674 is a wasteful number, since it uses less digits than its factorization.

68736674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34368339.

The product of its digits is 1016064, while the sum is 47.

The square root of 68736674 is about 8290.7583489087. The cubic root of 68736674 is about 409.6341650439.

The spelling of 68736674 in words is "sixty-eight million, seven hundred thirty-six thousand, six hundred seventy-four".