68059864 has 8 divisors (see below), whose sum is σ = 127612260. Its totient is φ = 34029928.

The previous prime is 68059861. The next prime is 68059867. The reversal of 68059864 is 46895086.

It is an interprime number because it is at equal distance from previous prime (68059861) and next prime (68059867).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68059861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4253734 + ... + 4253749.

Almost surely, 2^68059864 is an apocalyptic number.

It is an amenable number.

68059864 is a deficient number, since it is larger than the sum of its proper divisors (59552396).

68059864 is a wasteful number, since it uses less digits than its factorization.

68059864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8507489 (or 8507485 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 68059864 is about 8249.8402408774. The cubic root of 68059864 is about 408.2852516295.

The spelling of 68059864 in words is "sixty-eight million, fifty-nine thousand, eight hundred sixty-four".