68983785 has 64 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 32465664.

The previous prime is 68983777. The next prime is 68983801. The reversal of 68983785 is 58738986.

It is a happy number.

It is not a de Polignac number, because 68983785 - 2³ = 68983777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39511 + ... + 41219.

It is an arithmetic number, because the mean of its divisors is an integer number (2154600).

Almost surely, 2^68983785 is an apocalyptic number.

68983785 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68983785 is a deficient number, since it is larger than the sum of its proper divisors (68910615).

68983785 is a wasteful number, since it uses less digits than its factorization.

68983785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759 (or 1753 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 68983785 is about 8305.6477772658. The cubic root of 68983785 is about 410.1244615200.

The spelling of 68983785 in words is "sixty-eight million, nine hundred eighty-three thousand, seven hundred eighty-five".