68347970 has 8 divisors (see below), whose sum is σ = 123026364. Its totient is φ = 27339184.

The previous prime is 68347969. The next prime is 68348003. The reversal of 68347970 is 7974386.

It can be written as a sum of positive squares in 2 ways, for example, as 58507201 + 9840769 = 7649^2 + 3137^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3417389 + ... + 3417408.

Almost surely, 2^68347970 is an apocalyptic number.

68347970 is a deficient number, since it is larger than the sum of its proper divisors (54678394).

68347970 is a wasteful number, since it uses less digits than its factorization.

68347970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834804.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 68347970 is about 8267.2831087365. The cubic root of 68347970 is about 408.8605483020.

The spelling of 68347970 in words is "sixty-eight million, three hundred forty-seven thousand, nine hundred seventy".