68291205 has 16 divisors (see below), whose sum is σ = 109788864. Its totient is φ = 36247680.

The previous prime is 68291191. The next prime is 68291207. The reversal of 68291205 is 50219286.

It is not a de Polignac number, because 68291205 - 2⁵ = 68291173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68291207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7624 + ... + 13953.

It is an arithmetic number, because the mean of its divisors is an integer number (6861804).

Almost surely, 2^68291205 is an apocalyptic number.

It is an amenable number.

68291205 is a deficient number, since it is larger than the sum of its proper divisors (41497659).

68291205 is a wasteful number, since it uses less digits than its factorization.

68291205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21796.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 68291205 is about 8263.8492846857. The cubic root of 68291205 is about 408.7473267133.

The spelling of 68291205 in words is "sixty-eight million, two hundred ninety-one thousand, two hundred five".