68505544 has 16 divisors (see below), whose sum is σ = 129996720. Its totient is φ = 33839760.

The previous prime is 68505539. The next prime is 68505589. The reversal of 68505544 is 44550586.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50922 + ... + 52249.

It is an arithmetic number, because the mean of its divisors is an integer number (8124795).

Almost surely, 2^68505544 is an apocalyptic number.

It is an amenable number.

68505544 is a deficient number, since it is larger than the sum of its proper divisors (61491176).

68505544 is a wasteful number, since it uses less digits than its factorization.

68505544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103260 (or 103256 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 68505544 is about 8276.8075971355. The cubic root of 68505544 is about 409.1745120029.

The spelling of 68505544 in words is "sixty-eight million, five hundred five thousand, five hundred forty-four".