68080409 has 8 divisors (see below), whose sum is σ = 69180480. Its totient is φ = 66984400.

The previous prime is 68080387. The next prime is 68080417. The reversal of 68080409 is 90408086.

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 68080409 - 2⁸ = 68080153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68080009) 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, 66302 + ... + 67320.

It is an arithmetic number, because the mean of its divisors is an integer number (8647560).

Almost surely, 2^68080409 is an apocalyptic number.

It is an amenable number.

68080409 is a deficient number, since it is larger than the sum of its proper divisors (1100071).

68080409 is a wasteful number, since it uses less digits than its factorization.

68080409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 68080409 is about 8251.0853225500. The cubic root of 68080409 is about 408.3263300571.

The spelling of 68080409 in words is "sixty-eight million, eighty thousand, four hundred nine".