68467909 has 8 divisors (see below), whose sum is σ = 70797888. Its totient is φ = 66169440.

The previous prime is 68467897. The next prime is 68467921. The reversal of 68467909 is 90976486.

It is an interprime number because it is at equal distance from previous prime (68467897) and next prime (68467921).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68467909 - 2¹¹ = 68465861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68467979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3417 + ... + 12190.

It is an arithmetic number, because the mean of its divisors is an integer number (8849736).

Almost surely, 2^68467909 is an apocalyptic number.

It is an amenable number.

68467909 is a deficient number, since it is larger than the sum of its proper divisors (2329979).

68467909 is a wasteful number, since it uses less digits than its factorization.

68467909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15755.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 68467909 is about 8274.5337633005. The cubic root of 68467909 is about 409.0995686592.

The spelling of 68467909 in words is "sixty-eight million, four hundred sixty-seven thousand, nine hundred nine".