68796009 has 6 divisors (see below), whose sum is σ = 99372026. Its totient is φ = 45864000.

The previous prime is 68795963. The next prime is 68796011. The reversal of 68796009 is 90069786.

It can be written as a sum of positive squares in only one way, i.e., 64448784 + 4347225 = 8028^2 + 2085^2 .

It is not a de Polignac number, because 68796009 - 2⁹ = 68795497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68796509) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3821992 + ... + 3822009.

Almost surely, 2^68796009 is an apocalyptic number.

It is an amenable number.

68796009 is a deficient number, since it is larger than the sum of its proper divisors (30576017).

68796009 is a wasteful number, since it uses less digits than its factorization.

68796009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7644007 (or 7644004 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 68796009 is about 8294.3359589542. The cubic root of 68796009 is about 409.7519995341.

The spelling of 68796009 in words is "sixty-eight million, seven hundred ninety-six thousand, nine".