68868501 has 16 divisors (see below), whose sum is σ = 99368640. Its totient is φ = 42174720.

The previous prime is 68868497. The next prime is 68868511. The reversal of 68868501 is 10586886.

It is not a de Polignac number, because 68868501 - 2² = 68868497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68868511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4045 + ... + 12413.

It is an arithmetic number, because the mean of its divisors is an integer number (6210540).

Almost surely, 2^68868501 is an apocalyptic number.

It is an amenable number.

68868501 is a deficient number, since it is larger than the sum of its proper divisors (30500139).

68868501 is a wasteful number, since it uses less digits than its factorization.

68868501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8596.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 68868501 is about 8298.7047784579. The cubic root of 68868501 is about 409.8958708395.

The spelling of 68868501 in words is "sixty-eight million, eight hundred sixty-eight thousand, five hundred one".