76385447 has 4 divisors (see below), whose sum is σ = 76411536. Its totient is φ = 76359360.

The previous prime is 76385443. The next prime is 76385473. The reversal of 76385447 is 74458367.

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 76385447 - 2² = 76385443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76385398 and 76385407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76385443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8003 + ... + 14724.

It is an arithmetic number, because the mean of its divisors is an integer number (19102884).

Almost surely, 2^76385447 is an apocalyptic number.

76385447 is a deficient number, since it is larger than the sum of its proper divisors (26089).

76385447 is a wasteful number, since it uses less digits than its factorization.

76385447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26088.

The product of its digits is 564480, while the sum is 44.

The square root of 76385447 is about 8739.8768297957. The cubic root of 76385447 is about 424.2972413623.

The spelling of 76385447 in words is "seventy-six million, three hundred eighty-five thousand, four hundred forty-seven".