68945338 has 32 divisors (see below), whose sum is σ = 135728640. Its totient is φ = 25446960.

The previous prime is 68945323. The next prime is 68945351. The reversal of 68945338 is 83354986.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 8856 + ... + 14707.

It is an arithmetic number, because the mean of its divisors is an integer number (4241520).

Almost surely, 2^68945338 is an apocalyptic number.

68945338 is a deficient number, since it is larger than the sum of its proper divisors (66783302).

68945338 is a wasteful number, since it uses less digits than its factorization.

68945338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23602.

The product of its digits is 622080, while the sum is 46.

The square root of 68945338 is about 8303.3329452696. The cubic root of 68945338 is about 410.0482552761.

The spelling of 68945338 in words is "sixty-eight million, nine hundred forty-five thousand, three hundred thirty-eight".