78068405 has 8 divisors (see below), whose sum is σ = 95001984. Its totient is φ = 61574800.

The previous prime is 78068383. The next prime is 78068411. The reversal of 78068405 is 50486087.

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

It is not a de Polignac number, because 78068405 - 2⁸ = 78068149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109601 + ... + 110310.

It is an arithmetic number, because the mean of its divisors is an integer number (11875248).

Almost surely, 2^78068405 is an apocalyptic number.

It is an amenable number.

78068405 is a deficient number, since it is larger than the sum of its proper divisors (16933579).

78068405 is a wasteful number, since it uses less digits than its factorization.

78068405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219987.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 78068405 is about 8835.6326881554. The cubic root of 78068405 is about 427.3907339046.

The spelling of 78068405 in words is "seventy-eight million, sixty-eight thousand, four hundred five".