68298813 has 36 divisors (see below), whose sum is σ = 110379360. Its totient is φ = 40653360.

The previous prime is 68298803. The next prime is 68298829. The reversal of 68298813 is 31889286.

It is not a de Polignac number, because 68298813 - 2⁸ = 68298557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68298803) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 63720 + ... + 64782.

Almost surely, 2^68298813 is an apocalyptic number.

It is an amenable number.

68298813 is a deficient number, since it is larger than the sum of its proper divisors (42080547).

68298813 is a wasteful number, since it uses less digits than its factorization.

68298813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1136 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 68298813 is about 8264.3095900384. The cubic root of 68298813 is about 408.7625050182.

The spelling of 68298813 in words is "sixty-eight million, two hundred ninety-eight thousand, eight hundred thirteen".