68786901 has 10 divisors (see below), whose sum is σ = 102755862. Its totient is φ = 45857880.

The previous prime is 68786873. The next prime is 68786903. The reversal of 68786901 is 10968786.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64160100 + 4626801 = 8010^2 + 2151^2 .

It is not a de Polignac number, because 68786901 - 2¹⁰ = 68785877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68786903) 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 9 ways as a sum of consecutive naturals, for example, 424530 + ... + 424691.

Almost surely, 2^68786901 is an apocalyptic number.

It is an amenable number.

68786901 is a deficient number, since it is larger than the sum of its proper divisors (33968961).

68786901 is an equidigital number, since it uses as much as digits as its factorization.

68786901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849233 (or 849224 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 68786901 is about 8293.7868914025. The cubic root of 68786901 is about 409.7339161890.

The spelling of 68786901 in words is "sixty-eight million, seven hundred eighty-six thousand, nine hundred one".