68880745 has 8 divisors (see below), whose sum is σ = 86250816. Its totient is φ = 52708656.

The previous prime is 68880737. The next prime is 68880751. The reversal of 68880745 is 54708886.

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

It is a cyclic number.

It is not a de Polignac number, because 68880745 - 2³ = 68880737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68880695 and 68880704.

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 7 ways as a sum of consecutive naturals, for example, 299367 + ... + 299596.

It is an arithmetic number, because the mean of its divisors is an integer number (10781352).

Almost surely, 2^68880745 is an apocalyptic number.

It is an amenable number.

68880745 is a deficient number, since it is larger than the sum of its proper divisors (17370071).

68880745 is a wasteful number, since it uses less digits than its factorization.

68880745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598991.

The product of its (nonzero) digits is 430080, while the sum is 46.

The square root of 68880745 is about 8299.4424511530. The cubic root of 68880745 is about 409.9201609362.

The spelling of 68880745 in words is "sixty-eight million, eight hundred eighty thousand, seven hundred forty-five".