68808074 has 4 divisors (see below), whose sum is σ = 103212114. Its totient is φ = 34404036.

The previous prime is 68808071. The next prime is 68808107. The reversal of 68808074 is 47080886.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47080886 = 2 ⋅23540443.

It can be written as a sum of positive squares in only one way, i.e., 68773849 + 34225 = 8293^2 + 185^2 .

It is not an unprimeable number, because it can be changed into a prime (68808071) 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 as a sum of consecutive naturals, namely, 17202017 + ... + 17202020.

Almost surely, 2^68808074 is an apocalyptic number.

68808074 is a deficient number, since it is larger than the sum of its proper divisors (34404040).

68808074 is a wasteful number, since it uses less digits than its factorization.

68808074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34404039.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 68808074 is about 8295.0632306210. The cubic root of 68808074 is about 409.7759513543.

The spelling of 68808074 in words is "sixty-eight million, eight hundred eight thousand, seventy-four".