68923345 has 8 divisors (see below), whose sum is σ = 83039040. Its totient is φ = 54918000.

The previous prime is 68923331. The next prime is 68923357. The reversal of 68923345 is 54332986.

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

It is a de Polignac number, because none of the positive numbers 2^k-68923345 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68923298 and 68923307.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26205 + ... + 28714.

It is an arithmetic number, because the mean of its divisors is an integer number (10379880).

Almost surely, 2^68923345 is an apocalyptic number.

It is an amenable number.

68923345 is a deficient number, since it is larger than the sum of its proper divisors (14115695).

68923345 is a wasteful number, since it uses less digits than its factorization.

68923345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55175.

The product of its digits is 155520, while the sum is 40.

The square root of 68923345 is about 8302.0084919253. The cubic root of 68923345 is about 410.0046499572.

The spelling of 68923345 in words is "sixty-eight million, nine hundred twenty-three thousand, three hundred forty-five".