68488545 has 8 divisors (see below), whose sum is σ = 109581696. Its totient is φ = 36527216.

The previous prime is 68488493. The next prime is 68488571. The reversal of 68488545 is 54588486.

It is a happy number.

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 68488545 - 2¹⁰ = 68487521 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 68488494 and 68488503.

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, 2282937 + ... + 2282966.

It is an arithmetic number, because the mean of its divisors is an integer number (13697712).

Almost surely, 2^68488545 is an apocalyptic number.

It is an amenable number.

68488545 is a deficient number, since it is larger than the sum of its proper divisors (41093151).

68488545 is a wasteful number, since it uses less digits than its factorization.

68488545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565911.

The product of its digits is 1228800, while the sum is 48.

The square root of 68488545 is about 8275.7806278320. The cubic root of 68488545 is about 409.1406649471.

The spelling of 68488545 in words is "sixty-eight million, four hundred eighty-eight thousand, five hundred forty-five".