68865606 has 32 divisors (see below), whose sum is σ = 162038880. Its totient is φ = 21604608.

The previous prime is 68865571. The next prime is 68865617. The reversal of 68865606 is 60656886.

68865606 is a `hidden beast` number, since 6 + 8 + 86 + 560 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36591 + ... + 38426.

It is an arithmetic number, because the mean of its divisors is an integer number (5063715).

Almost surely, 2^68865606 is an apocalyptic number.

68865606 is an abundant number, since it is smaller than the sum of its proper divisors (93173274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68865606 is a wasteful number, since it uses less digits than its factorization.

68865606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75045 (or 75039 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 68865606 is about 8298.5303518153. The cubic root of 68865606 is about 409.8901272114.

The spelling of 68865606 in words is "sixty-eight million, eight hundred sixty-five thousand, six hundred six".