68174945 has 8 divisors (see below), whose sum is σ = 86115840. Its totient is φ = 51669360.

The previous prime is 68174941. The next prime is 68174959. The reversal of 68174945 is 54947186.

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

It is not a de Polignac number, because 68174945 - 2² = 68174941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68174896 and 68174905.

It is not an unprimeable number, because it can be changed into a prime (68174941) 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 7 ways as a sum of consecutive naturals, for example, 358721 + ... + 358910.

It is an arithmetic number, because the mean of its divisors is an integer number (10764480).

Almost surely, 2^68174945 is an apocalyptic number.

It is an amenable number.

68174945 is a deficient number, since it is larger than the sum of its proper divisors (17940895).

68174945 is a wasteful number, since it uses less digits than its factorization.

68174945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717655.

The product of its digits is 241920, while the sum is 44.

The square root of 68174945 is about 8256.8120361311. The cubic root of 68174945 is about 408.5152423791.

The spelling of 68174945 in words is "sixty-eight million, one hundred seventy-four thousand, nine hundred forty-five".