68034945 has 16 divisors (see below), whose sum is σ = 118752192. Its totient is φ = 32986560.

The previous prime is 68034929. The next prime is 68034997. The reversal of 68034945 is 54943086.

It is not a de Polignac number, because 68034945 - 2⁴ = 68034929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206002 + ... + 206331.

It is an arithmetic number, because the mean of its divisors is an integer number (7422012).

Almost surely, 2^68034945 is an apocalyptic number.

It is an amenable number.

68034945 is a deficient number, since it is larger than the sum of its proper divisors (50717247).

68034945 is a wasteful number, since it uses less digits than its factorization.

68034945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412352.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 68034945 is about 8248.3298309415. The cubic root of 68034945 is about 408.2354165699.

It can be divided in two parts, 68034 and 945, that multiplied together give a triangular number (64292130 = T₁₁₃₃₉).

The spelling of 68034945 in words is "sixty-eight million, thirty-four thousand, nine hundred forty-five".