68170370 has 32 divisors (see below), whose sum is σ = 125582400. Its totient is φ = 26635456.

The previous prime is 68170369. The next prime is 68170379. The reversal of 68170370 is 7307186.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68170379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133676 + ... + 134184.

It is an arithmetic number, because the mean of its divisors is an integer number (3924450).

Almost surely, 2^68170370 is an apocalyptic number.

68170370 is a deficient number, since it is larger than the sum of its proper divisors (57412030).

68170370 is a wasteful number, since it uses less digits than its factorization.

68170370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 68170370 is about 8256.5349875114. The cubic root of 68170370 is about 408.5061041292.

The spelling of 68170370 in words is "sixty-eight million, one hundred seventy thousand, three hundred seventy".