68170874 has 4 divisors (see below), whose sum is σ = 102256314. Its totient is φ = 34085436.

The previous prime is 68170849. The next prime is 68170937. The reversal of 68170874 is 47807186.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 28569025 = 6293^2 + 5345^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17042717 + ... + 17042720.

Almost surely, 2^68170874 is an apocalyptic number.

68170874 is a deficient number, since it is larger than the sum of its proper divisors (34085440).

68170874 is a wasteful number, since it uses less digits than its factorization.

68170874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34085439.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 68170874 is about 8256.5655087330. The cubic root of 68170874 is about 408.5071108548.

The spelling of 68170874 in words is "sixty-eight million, one hundred seventy thousand, eight hundred seventy-four".