67104407 has 4 divisors (see below), whose sum is σ = 67133976. Its totient is φ = 67074840.

The previous prime is 67104379. The next prime is 67104419. The reversal of 67104407 is 70440176.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67104407 - 2¹² = 67100311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67104407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67104437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11069 + ... + 16022.

It is an arithmetic number, because the mean of its divisors is an integer number (16783494).

Almost surely, 2^67104407 is an apocalyptic number.

67104407 is a deficient number, since it is larger than the sum of its proper divisors (29569).

67104407 is a wasteful number, since it uses less digits than its factorization.

67104407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29568.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 67104407 is about 8191.7279617917. The cubic root of 67104407 is about 406.3656727179.

The spelling of 67104407 in words is "sixty-seven million, one hundred four thousand, four hundred seven".