68207755 has 24 divisors (see below), whose sum is σ = 103872240. Its totient is φ = 42517440.

The previous prime is 68207743. The next prime is 68207801. The reversal of 68207755 is 55770286.

It is not a de Polignac number, because 68207755 - 2¹¹ = 68205707 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9960 + ... + 15349.

It is an arithmetic number, because the mean of its divisors is an integer number (4328010).

Almost surely, 2^68207755 is an apocalyptic number.

68207755 is a deficient number, since it is larger than the sum of its proper divisors (35664485).

68207755 is a wasteful number, since it uses less digits than its factorization.

68207755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25339 (or 25332 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 68207755 is about 8258.7986414490. The cubic root of 68207755 is about 408.5807661356.

The spelling of 68207755 in words is "sixty-eight million, two hundred seven thousand, seven hundred fifty-five".